Home / 998,664.46-1,497,602.76-430,088.20

Finding the Fourth Proportional to 998,664.46, 1,497,602.76 and 430,088.20

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Solution

The fourth proportional to 998,664.46, 1,497,602.76 and 430,088.20 is: 644,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,664.46 : 1,497,602.76 = 430,088.20 : x
  2. Step 2: Convert to fraction form
    998,664.46/1,497,602.76 = 430,088.20/x
  3. Step 3: Cross multiply
    998,664.46x = 1,497,602.76 × 430,088.20
  4. Step 4: Simplify right side
    998,664.46x = 644,101,275,363.43
  5. Step 5: Solve for x
    x = 644,101,275,363.43/998,664.46
  6. Step 6: Final answer
    x = 644,962.65

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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.