Home / 998,800.27-1,499,266.55-430,461.84

Finding the Fourth Proportional to 998,800.27, 1,499,266.55 and 430,461.84

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Solution

The fourth proportional to 998,800.27, 1,499,266.55 and 430,461.84 is: 646,152.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,800.27 : 1,499,266.55 = 430,461.84 : x
  2. Step 2: Convert to fraction form
    998,800.27/1,499,266.55 = 430,461.84/x
  3. Step 3: Cross multiply
    998,800.27x = 1,499,266.55 × 430,461.84
  4. Step 4: Simplify right side
    998,800.27x = 645,377,044,461.86
  5. Step 5: Solve for x
    x = 645,377,044,461.86/998,800.27
  6. Step 6: Final answer
    x = 646,152.25

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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.