Home / 971,111.20-1,456,083.60-498,719.20

Finding the Fourth Proportional to 971,111.20, 1,456,083.60 and 498,719.20

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Solution

The fourth proportional to 971,111.20, 1,456,083.60 and 498,719.20 is: 747,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,111.20 : 1,456,083.60 = 498,719.20 : x
  2. Step 2: Convert to fraction form
    971,111.20/1,456,083.60 = 498,719.20/x
  3. Step 3: Cross multiply
    971,111.20x = 1,456,083.60 × 498,719.20
  4. Step 4: Simplify right side
    971,111.20x = 726,176,848,125.12
  5. Step 5: Solve for x
    x = 726,176,848,125.12/971,111.20
  6. Step 6: Final answer
    x = 747,779.29

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1.5x scale

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.