Home / 898,200.90-1,239,531.46-490,306.26

Finding the Fourth Proportional to 898,200.90, 1,239,531.46 and 490,306.26

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Solution

The fourth proportional to 898,200.90, 1,239,531.46 and 490,306.26 is: 676,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,200.90 : 1,239,531.46 = 490,306.26 : x
  2. Step 2: Convert to fraction form
    898,200.90/1,239,531.46 = 490,306.26/x
  3. Step 3: Cross multiply
    898,200.90x = 1,239,531.46 × 490,306.26
  4. Step 4: Simplify right side
    898,200.90x = 607,750,037,727.42
  5. Step 5: Solve for x
    x = 607,750,037,727.42/898,200.90
  6. Step 6: Final answer
    x = 676,630.40

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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.