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Finding the Fourth Proportional to 560,573.72, 774,032.51 and 451,331.04

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Solution

The fourth proportional to 560,573.72, 774,032.51 and 451,331.04 is: 623,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,573.72 : 774,032.51 = 451,331.04 : x
  2. Step 2: Convert to fraction form
    560,573.72/774,032.51 = 451,331.04/x
  3. Step 3: Cross multiply
    560,573.72x = 774,032.51 × 451,331.04
  4. Step 4: Simplify right side
    560,573.72x = 349,344,895,475.46
  5. Step 5: Solve for x
    x = 349,344,895,475.46/560,573.72
  6. Step 6: Final answer
    x = 623,191.72

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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.