Home / 875,085.60-1,207,715.52-552,780.16

Finding the Fourth Proportional to 875,085.60, 1,207,715.52 and 552,780.16

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Solution

The fourth proportional to 875,085.60, 1,207,715.52 and 552,780.16 is: 762,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,085.60 : 1,207,715.52 = 552,780.16 : x
  2. Step 2: Convert to fraction form
    875,085.60/1,207,715.52 = 552,780.16/x
  3. Step 3: Cross multiply
    875,085.60x = 1,207,715.52 × 552,780.16
  4. Step 4: Simplify right side
    875,085.60x = 667,601,178,380.08
  5. Step 5: Solve for x
    x = 667,601,178,380.08/875,085.60
  6. Step 6: Final answer
    x = 762,898.14

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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.