Home / 900,757.12-1,243,151.40-508,300.24

Finding the Fourth Proportional to 900,757.12, 1,243,151.40 and 508,300.24

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Solution

The fourth proportional to 900,757.12, 1,243,151.40 and 508,300.24 is: 701,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,757.12 : 1,243,151.40 = 508,300.24 : x
  2. Step 2: Convert to fraction form
    900,757.12/1,243,151.40 = 508,300.24/x
  3. Step 3: Cross multiply
    900,757.12x = 1,243,151.40 × 508,300.24
  4. Step 4: Simplify right side
    900,757.12x = 631,894,154,976.34
  5. Step 5: Solve for x
    x = 631,894,154,976.34/900,757.12
  6. Step 6: Final answer
    x = 701,514.47

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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.