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Finding the Fourth Proportional to 537,881.60, 806,822.40 and 477,747.20

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Solution

The fourth proportional to 537,881.60, 806,822.40 and 477,747.20 is: 716,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,881.60 : 806,822.40 = 477,747.20 : x
  2. Step 2: Convert to fraction form
    537,881.60/806,822.40 = 477,747.20/x
  3. Step 3: Cross multiply
    537,881.60x = 806,822.40 × 477,747.20
  4. Step 4: Simplify right side
    537,881.60x = 385,457,142,497.28
  5. Step 5: Solve for x
    x = 385,457,142,497.28/537,881.60
  6. Step 6: Final answer
    x = 716,620.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.