Home / 668,363.10-1,002,544.65-637,259.10

Finding the Fourth Proportional to 668,363.10, 1,002,544.65 and 637,259.10

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Solution

The fourth proportional to 668,363.10, 1,002,544.65 and 637,259.10 is: 955,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,363.10 : 1,002,544.65 = 637,259.10 : x
  2. Step 2: Convert to fraction form
    668,363.10/1,002,544.65 = 637,259.10/x
  3. Step 3: Cross multiply
    668,363.10x = 1,002,544.65 × 637,259.10
  4. Step 4: Simplify right side
    668,363.10x = 638,880,701,368.82
  5. Step 5: Solve for x
    x = 638,880,701,368.82/668,363.10
  6. Step 6: Final answer
    x = 955,888.65

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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.