Home / 916,520.80-1,373,614.80-442,184.80

Finding the Fourth Proportional to 916,520.80, 1,373,614.80 and 442,184.80

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Solution

The fourth proportional to 916,520.80, 1,373,614.80 and 442,184.80 is: 662,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,520.80 : 1,373,614.80 = 442,184.80 : x
  2. Step 2: Convert to fraction form
    916,520.80/1,373,614.80 = 442,184.80/x
  3. Step 3: Cross multiply
    916,520.80x = 1,373,614.80 × 442,184.80
  4. Step 4: Simplify right side
    916,520.80x = 607,391,585,615.04
  5. Step 5: Solve for x
    x = 607,391,585,615.04/916,520.80
  6. Step 6: Final answer
    x = 662,714.46

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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.