Home / 676,990.10-934,349.24-432,080.60

Finding the Fourth Proportional to 676,990.10, 934,349.24 and 432,080.60

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Solution

The fourth proportional to 676,990.10, 934,349.24 and 432,080.60 is: 596,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,990.10 : 934,349.24 = 432,080.60 : x
  2. Step 2: Convert to fraction form
    676,990.10/934,349.24 = 432,080.60/x
  3. Step 3: Cross multiply
    676,990.10x = 934,349.24 × 432,080.60
  4. Step 4: Simplify right side
    676,990.10x = 403,714,176,637.20
  5. Step 5: Solve for x
    x = 403,714,176,637.20/676,990.10
  6. Step 6: Final answer
    x = 596,336.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.