Home / 623,141.60-932,744.10-489,297.20

Finding the Fourth Proportional to 623,141.60, 932,744.10 and 489,297.20

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Solution

The fourth proportional to 623,141.60, 932,744.10 and 489,297.20 is: 732,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,141.60 : 932,744.10 = 489,297.20 : x
  2. Step 2: Convert to fraction form
    623,141.60/932,744.10 = 489,297.20/x
  3. Step 3: Cross multiply
    623,141.60x = 932,744.10 × 489,297.20
  4. Step 4: Simplify right side
    623,141.60x = 456,389,076,446.52
  5. Step 5: Solve for x
    x = 456,389,076,446.52/623,141.60
  6. Step 6: Final answer
    x = 732,400.27

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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.