Home / 971,003.60-1,455,727.80-409,576.40

Finding the Fourth Proportional to 971,003.60, 1,455,727.80 and 409,576.40

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Solution

The fourth proportional to 971,003.60, 1,455,727.80 and 409,576.40 is: 614,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,003.60 : 1,455,727.80 = 409,576.40 : x
  2. Step 2: Convert to fraction form
    971,003.60/1,455,727.80 = 409,576.40/x
  3. Step 3: Cross multiply
    971,003.60x = 1,455,727.80 × 409,576.40
  4. Step 4: Simplify right side
    971,003.60x = 596,231,751,703.92
  5. Step 5: Solve for x
    x = 596,231,751,703.92/971,003.60
  6. Step 6: Final answer
    x = 614,036.60

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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.