Home / 745,701.60-1,118,552.40-272,402.40

Finding the Fourth Proportional to 745,701.60, 1,118,552.40 and 272,402.40

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Solution

The fourth proportional to 745,701.60, 1,118,552.40 and 272,402.40 is: 408,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,701.60 : 1,118,552.40 = 272,402.40 : x
  2. Step 2: Convert to fraction form
    745,701.60/1,118,552.40 = 272,402.40/x
  3. Step 3: Cross multiply
    745,701.60x = 1,118,552.40 × 272,402.40
  4. Step 4: Simplify right side
    745,701.60x = 304,696,358,285.76
  5. Step 5: Solve for x
    x = 304,696,358,285.76/745,701.60
  6. Step 6: Final answer
    x = 408,603.60

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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.