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Finding the Fourth Proportional to 525,665, 725,417.58 and 283,947.58

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Solution

The fourth proportional to 525,665, 725,417.58 and 283,947.58 is: 391,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,665 : 725,417.58 = 283,947.58 : x
  2. Step 2: Convert to fraction form
    525,665/725,417.58 = 283,947.58/x
  3. Step 3: Cross multiply
    525,665x = 725,417.58 × 283,947.58
  4. Step 4: Simplify right side
    525,665x = 205,980,566,330.46
  5. Step 5: Solve for x
    x = 205,980,566,330.46/525,665
  6. Step 6: Final answer
    x = 391,847.60

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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.