Home / 838,341.54-1,156,731.93-498,743.46

Finding the Fourth Proportional to 838,341.54, 1,156,731.93 and 498,743.46

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Solution

The fourth proportional to 838,341.54, 1,156,731.93 and 498,743.46 is: 688,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,341.54 : 1,156,731.93 = 498,743.46 : x
  2. Step 2: Convert to fraction form
    838,341.54/1,156,731.93 = 498,743.46/x
  3. Step 3: Cross multiply
    838,341.54x = 1,156,731.93 × 498,743.46
  4. Step 4: Simplify right side
    838,341.54x = 576,912,485,060.68
  5. Step 5: Solve for x
    x = 576,912,485,060.68/838,341.54
  6. Step 6: Final answer
    x = 688,159.25

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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.