Home / 971,995.80-1,456,827.30-498,437.40

Finding the Fourth Proportional to 971,995.80, 1,456,827.30 and 498,437.40

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Solution

The fourth proportional to 971,995.80, 1,456,827.30 and 498,437.40 is: 747,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,995.80 : 1,456,827.30 = 498,437.40 : x
  2. Step 2: Convert to fraction form
    971,995.80/1,456,827.30 = 498,437.40/x
  3. Step 3: Cross multiply
    971,995.80x = 1,456,827.30 × 498,437.40
  4. Step 4: Simplify right side
    971,995.80x = 726,137,211,661.02
  5. Step 5: Solve for x
    x = 726,137,211,661.02/971,995.80
  6. Step 6: Final answer
    x = 747,057.97

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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.