Home / 822,148.32-1,134,540.80-459,572.88

Finding the Fourth Proportional to 822,148.32, 1,134,540.80 and 459,572.88

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Solution

The fourth proportional to 822,148.32, 1,134,540.80 and 459,572.88 is: 634,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,148.32 : 1,134,540.80 = 459,572.88 : x
  2. Step 2: Convert to fraction form
    822,148.32/1,134,540.80 = 459,572.88/x
  3. Step 3: Cross multiply
    822,148.32x = 1,134,540.80 × 459,572.88
  4. Step 4: Simplify right side
    822,148.32x = 521,404,182,933.50
  5. Step 5: Solve for x
    x = 521,404,182,933.50/822,148.32
  6. Step 6: Final answer
    x = 634,197.22

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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.