Home / 740,146.60-1,108,251.60-472,457.80

Finding the Fourth Proportional to 740,146.60, 1,108,251.60 and 472,457.80

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Solution

The fourth proportional to 740,146.60, 1,108,251.60 and 472,457.80 is: 707,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,146.60 : 1,108,251.60 = 472,457.80 : x
  2. Step 2: Convert to fraction form
    740,146.60/1,108,251.60 = 472,457.80/x
  3. Step 3: Cross multiply
    740,146.60x = 1,108,251.60 × 472,457.80
  4. Step 4: Simplify right side
    740,146.60x = 523,602,112,782.48
  5. Step 5: Solve for x
    x = 523,602,112,782.48/740,146.60
  6. Step 6: Final answer
    x = 707,430.28

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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.