Home / 971,320.20-1,456,980.30-380,344.20

Finding the Fourth Proportional to 971,320.20, 1,456,980.30 and 380,344.20

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Solution

The fourth proportional to 971,320.20, 1,456,980.30 and 380,344.20 is: 570,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,320.20 : 1,456,980.30 = 380,344.20 : x
  2. Step 2: Convert to fraction form
    971,320.20/1,456,980.30 = 380,344.20/x
  3. Step 3: Cross multiply
    971,320.20x = 1,456,980.30 × 380,344.20
  4. Step 4: Simplify right side
    971,320.20x = 554,154,006,619.26
  5. Step 5: Solve for x
    x = 554,154,006,619.26/971,320.20
  6. Step 6: Final answer
    x = 570,516.30

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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.