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Finding the Fourth Proportional to 688,552.10, 950,314.63 and 573,648.53

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Solution

The fourth proportional to 688,552.10, 950,314.63 and 573,648.53 is: 791,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,552.10 : 950,314.63 = 573,648.53 : x
  2. Step 2: Convert to fraction form
    688,552.10/950,314.63 = 573,648.53/x
  3. Step 3: Cross multiply
    688,552.10x = 950,314.63 × 573,648.53
  4. Step 4: Simplify right side
    688,552.10x = 545,146,591,478.66
  5. Step 5: Solve for x
    x = 545,146,591,478.66/688,552.10
  6. Step 6: Final answer
    x = 791,728.90

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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.