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Finding the Fourth Proportional to 713,355.48, 984,531.24 and 441,510.84

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Solution

The fourth proportional to 713,355.48, 984,531.24 and 441,510.84 is: 609,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,355.48 : 984,531.24 = 441,510.84 : x
  2. Step 2: Convert to fraction form
    713,355.48/984,531.24 = 441,510.84/x
  3. Step 3: Cross multiply
    713,355.48x = 984,531.24 × 441,510.84
  4. Step 4: Simplify right side
    713,355.48x = 434,681,214,778.64
  5. Step 5: Solve for x
    x = 434,681,214,778.64/713,355.48
  6. Step 6: Final answer
    x = 609,347.27

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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.