Home / 977,579.20-1,465,712.70-472,382.20

Finding the Fourth Proportional to 977,579.20, 1,465,712.70 and 472,382.20

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Solution

The fourth proportional to 977,579.20, 1,465,712.70 and 472,382.20 is: 708,256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,579.20 : 1,465,712.70 = 472,382.20 : x
  2. Step 2: Convert to fraction form
    977,579.20/1,465,712.70 = 472,382.20/x
  3. Step 3: Cross multiply
    977,579.20x = 1,465,712.70 × 472,382.20
  4. Step 4: Simplify right side
    977,579.20x = 692,376,589,793.94
  5. Step 5: Solve for x
    x = 692,376,589,793.94/977,579.20
  6. Step 6: Final answer
    x = 708,256.26

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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.