Home / 998,038.40-1,497,276.30-492,841.40

Finding the Fourth Proportional to 998,038.40, 1,497,276.30 and 492,841.40

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Solution

The fourth proportional to 998,038.40, 1,497,276.30 and 492,841.40 is: 739,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,038.40 : 1,497,276.30 = 492,841.40 : x
  2. Step 2: Convert to fraction form
    998,038.40/1,497,276.30 = 492,841.40/x
  3. Step 3: Cross multiply
    998,038.40x = 1,497,276.30 × 492,841.40
  4. Step 4: Simplify right side
    998,038.40x = 737,919,747,878.82
  5. Step 5: Solve for x
    x = 737,919,747,878.82/998,038.40
  6. Step 6: Final answer
    x = 739,370.10

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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.