Home / 971,142.80-1,456,276.80-371,904.80

Finding the Fourth Proportional to 971,142.80, 1,456,276.80 and 371,904.80

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Solution

The fourth proportional to 971,142.80, 1,456,276.80 and 371,904.80 is: 557,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,142.80 : 1,456,276.80 = 371,904.80 : x
  2. Step 2: Convert to fraction form
    971,142.80/1,456,276.80 = 371,904.80/x
  3. Step 3: Cross multiply
    971,142.80x = 1,456,276.80 × 371,904.80
  4. Step 4: Simplify right side
    971,142.80x = 541,596,332,048.64
  5. Step 5: Solve for x
    x = 541,596,332,048.64/971,142.80
  6. Step 6: Final answer
    x = 557,689.70

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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.