Home / 1,029,908.10-1,544,862.15-320,153.70

Finding the Fourth Proportional to 1,029,908.10, 1,544,862.15 and 320,153.70

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Solution

The fourth proportional to 1,029,908.10, 1,544,862.15 and 320,153.70 is: 480,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,908.10 : 1,544,862.15 = 320,153.70 : x
  2. Step 2: Convert to fraction form
    1,029,908.10/1,544,862.15 = 320,153.70/x
  3. Step 3: Cross multiply
    1,029,908.10x = 1,544,862.15 × 320,153.70
  4. Step 4: Simplify right side
    1,029,908.10x = 494,593,333,312.46
  5. Step 5: Solve for x
    x = 494,593,333,312.46/1,029,908.10
  6. Step 6: Final answer
    x = 480,230.55

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.