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Finding the Fourth Proportional to 664,033.52, 917,230.56 and 537,187.52

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Solution

The fourth proportional to 664,033.52, 917,230.56 and 537,187.52 is: 742,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,033.52 : 917,230.56 = 537,187.52 : x
  2. Step 2: Convert to fraction form
    664,033.52/917,230.56 = 537,187.52/x
  3. Step 3: Cross multiply
    664,033.52x = 917,230.56 × 537,187.52
  4. Step 4: Simplify right side
    664,033.52x = 492,724,809,794.61
  5. Step 5: Solve for x
    x = 492,724,809,794.61/664,033.52
  6. Step 6: Final answer
    x = 742,017.98

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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.