Home / 798,985.32-1,102,313.24-472,229.76

Finding the Fourth Proportional to 798,985.32, 1,102,313.24 and 472,229.76

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Solution

The fourth proportional to 798,985.32, 1,102,313.24 and 472,229.76 is: 651,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,985.32 : 1,102,313.24 = 472,229.76 : x
  2. Step 2: Convert to fraction form
    798,985.32/1,102,313.24 = 472,229.76/x
  3. Step 3: Cross multiply
    798,985.32x = 1,102,313.24 × 472,229.76
  4. Step 4: Simplify right side
    798,985.32x = 520,545,116,770.02
  5. Step 5: Solve for x
    x = 520,545,116,770.02/798,985.32
  6. Step 6: Final answer
    x = 651,507.74

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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.