Home / 998,065.60-1,497,098.40-398,730.40

Finding the Fourth Proportional to 998,065.60, 1,497,098.40 and 398,730.40

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Solution

The fourth proportional to 998,065.60, 1,497,098.40 and 398,730.40 is: 598,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,065.60 : 1,497,098.40 = 398,730.40 : x
  2. Step 2: Convert to fraction form
    998,065.60/1,497,098.40 = 398,730.40/x
  3. Step 3: Cross multiply
    998,065.60x = 1,497,098.40 × 398,730.40
  4. Step 4: Simplify right side
    998,065.60x = 596,938,643,871.36
  5. Step 5: Solve for x
    x = 596,938,643,871.36/998,065.60
  6. Step 6: Final answer
    x = 598,095.60

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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.