Home / 724,816.01-1,000,218.69-402,546.86

Finding the Fourth Proportional to 724,816.01, 1,000,218.69 and 402,546.86

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Solution

The fourth proportional to 724,816.01, 1,000,218.69 and 402,546.86 is: 555,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,816.01 : 1,000,218.69 = 402,546.86 : x
  2. Step 2: Convert to fraction form
    724,816.01/1,000,218.69 = 402,546.86/x
  3. Step 3: Cross multiply
    724,816.01x = 1,000,218.69 × 402,546.86
  4. Step 4: Simplify right side
    724,816.01x = 402,634,895,473.36
  5. Step 5: Solve for x
    x = 402,634,895,473.36/724,816.01
  6. Step 6: Final answer
    x = 555,499.45

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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.