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Finding the Fourth Proportional to 569,432.40, 785,795.76 and 327,752.16

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Solution

The fourth proportional to 569,432.40, 785,795.76 and 327,752.16 is: 452,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,432.40 : 785,795.76 = 327,752.16 : x
  2. Step 2: Convert to fraction form
    569,432.40/785,795.76 = 327,752.16/x
  3. Step 3: Cross multiply
    569,432.40x = 785,795.76 × 327,752.16
  4. Step 4: Simplify right side
    569,432.40x = 257,546,257,658.84
  5. Step 5: Solve for x
    x = 257,546,257,658.84/569,432.40
  6. Step 6: Final answer
    x = 452,285.92

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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.