Home / 742,847.20-1,114,430.65-230,502.13

Finding the Fourth Proportional to 742,847.20, 1,114,430.65 and 230,502.13

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Solution

The fourth proportional to 742,847.20, 1,114,430.65 and 230,502.13 is: 345,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,847.20 : 1,114,430.65 = 230,502.13 : x
  2. Step 2: Convert to fraction form
    742,847.20/1,114,430.65 = 230,502.13/x
  3. Step 3: Cross multiply
    742,847.20x = 1,114,430.65 × 230,502.13
  4. Step 4: Simplify right side
    742,847.20x = 256,878,639,630.86
  5. Step 5: Solve for x
    x = 256,878,639,630.86/742,847.20
  6. Step 6: Final answer
    x = 345,802.80

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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.