Home / 804,939.70-1,208,187.15-490,011.70

Finding the Fourth Proportional to 804,939.70, 1,208,187.15 and 490,011.70

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Solution

The fourth proportional to 804,939.70, 1,208,187.15 and 490,011.70 is: 735,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,939.70 : 1,208,187.15 = 490,011.70 : x
  2. Step 2: Convert to fraction form
    804,939.70/1,208,187.15 = 490,011.70/x
  3. Step 3: Cross multiply
    804,939.70x = 1,208,187.15 × 490,011.70
  4. Step 4: Simplify right side
    804,939.70x = 592,025,839,289.66
  5. Step 5: Solve for x
    x = 592,025,839,289.66/804,939.70
  6. Step 6: Final answer
    x = 735,490.92

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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.