Home / 917,552.70-1,376,329.05-386,111.70

Finding the Fourth Proportional to 917,552.70, 1,376,329.05 and 386,111.70

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Solution

The fourth proportional to 917,552.70, 1,376,329.05 and 386,111.70 is: 579,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,552.70 : 1,376,329.05 = 386,111.70 : x
  2. Step 2: Convert to fraction form
    917,552.70/1,376,329.05 = 386,111.70/x
  3. Step 3: Cross multiply
    917,552.70x = 1,376,329.05 × 386,111.70
  4. Step 4: Simplify right side
    917,552.70x = 531,416,749,254.89
  5. Step 5: Solve for x
    x = 531,416,749,254.89/917,552.70
  6. Step 6: Final answer
    x = 579,167.55

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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.