Home / 745,793.55-1,118,690.33-272,417.40

Finding the Fourth Proportional to 745,793.55, 1,118,690.33 and 272,417.40

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Solution

The fourth proportional to 745,793.55, 1,118,690.33 and 272,417.40 is: 408,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,793.55 : 1,118,690.33 = 272,417.40 : x
  2. Step 2: Convert to fraction form
    745,793.55/1,118,690.33 = 272,417.40/x
  3. Step 3: Cross multiply
    745,793.55x = 1,118,690.33 × 272,417.40
  4. Step 4: Simplify right side
    745,793.55x = 304,750,709,741.66
  5. Step 5: Solve for x
    x = 304,750,709,741.66/745,793.55
  6. Step 6: Final answer
    x = 408,626.10

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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.