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Finding the Fourth Proportional to 489,030.70, 732,854.85 and 301,485.10

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Solution

The fourth proportional to 489,030.70, 732,854.85 and 301,485.10 is: 451,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,030.70 : 732,854.85 = 301,485.10 : x
  2. Step 2: Convert to fraction form
    489,030.70/732,854.85 = 301,485.10/x
  3. Step 3: Cross multiply
    489,030.70x = 732,854.85 × 301,485.10
  4. Step 4: Simplify right side
    489,030.70x = 220,944,817,737.74
  5. Step 5: Solve for x
    x = 220,944,817,737.74/489,030.70
  6. Step 6: Final answer
    x = 451,801.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.