Home / 815,534.61-1,125,406.63-452,981.72

Finding the Fourth Proportional to 815,534.61, 1,125,406.63 and 452,981.72

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Solution

The fourth proportional to 815,534.61, 1,125,406.63 and 452,981.72 is: 625,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,534.61 : 1,125,406.63 = 452,981.72 : x
  2. Step 2: Convert to fraction form
    815,534.61/1,125,406.63 = 452,981.72/x
  3. Step 3: Cross multiply
    815,534.61x = 1,125,406.63 × 452,981.72
  4. Step 4: Simplify right side
    815,534.61x = 509,788,631,788.53
  5. Step 5: Solve for x
    x = 509,788,631,788.53/815,534.61
  6. Step 6: Final answer
    x = 625,097.48

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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.