Home / 745,165.52-1,117,466.31-318,683.60

Finding the Fourth Proportional to 745,165.52, 1,117,466.31 and 318,683.60

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Solution

The fourth proportional to 745,165.52, 1,117,466.31 and 318,683.60 is: 477,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,165.52 : 1,117,466.31 = 318,683.60 : x
  2. Step 2: Convert to fraction form
    745,165.52/1,117,466.31 = 318,683.60/x
  3. Step 3: Cross multiply
    745,165.52x = 1,117,466.31 × 318,683.60
  4. Step 4: Simplify right side
    745,165.52x = 356,118,186,549.52
  5. Step 5: Solve for x
    x = 356,118,186,549.52/745,165.52
  6. Step 6: Final answer
    x = 477,904.81

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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.