Home / 809,430.32-1,117,008.28-446,854.12

Finding the Fourth Proportional to 809,430.32, 1,117,008.28 and 446,854.12

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Solution

The fourth proportional to 809,430.32, 1,117,008.28 and 446,854.12 is: 616,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,430.32 : 1,117,008.28 = 446,854.12 : x
  2. Step 2: Convert to fraction form
    809,430.32/1,117,008.28 = 446,854.12/x
  3. Step 3: Cross multiply
    809,430.32x = 1,117,008.28 × 446,854.12
  4. Step 4: Simplify right side
    809,430.32x = 499,139,747,244.61
  5. Step 5: Solve for x
    x = 499,139,747,244.61/809,430.32
  6. Step 6: Final answer
    x = 616,655.61

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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.