Home / 742,617.60-1,024,830.80-403,085.12

Finding the Fourth Proportional to 742,617.60, 1,024,830.80 and 403,085.12

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Solution

The fourth proportional to 742,617.60, 1,024,830.80 and 403,085.12 is: 556,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,617.60 : 1,024,830.80 = 403,085.12 : x
  2. Step 2: Convert to fraction form
    742,617.60/1,024,830.80 = 403,085.12/x
  3. Step 3: Cross multiply
    742,617.60x = 1,024,830.80 × 403,085.12
  4. Step 4: Simplify right side
    742,617.60x = 413,094,045,997.70
  5. Step 5: Solve for x
    x = 413,094,045,997.70/742,617.60
  6. Step 6: Final answer
    x = 556,267.51

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.