Home / 849,432.28-1,172,220.44-486,877.34

Finding the Fourth Proportional to 849,432.28, 1,172,220.44 and 486,877.34

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Solution

The fourth proportional to 849,432.28, 1,172,220.44 and 486,877.34 is: 671,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,432.28 : 1,172,220.44 = 486,877.34 : x
  2. Step 2: Convert to fraction form
    849,432.28/1,172,220.44 = 486,877.34/x
  3. Step 3: Cross multiply
    849,432.28x = 1,172,220.44 × 486,877.34
  4. Step 4: Simplify right side
    849,432.28x = 570,727,573,577.10
  5. Step 5: Solve for x
    x = 570,727,573,577.10/849,432.28
  6. Step 6: Final answer
    x = 671,892.96

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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.