Home / 714,439.81-985,890.92-424,064.05

Finding the Fourth Proportional to 714,439.81, 985,890.92 and 424,064.05

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Solution

The fourth proportional to 714,439.81, 985,890.92 and 424,064.05 is: 585,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,439.81 : 985,890.92 = 424,064.05 : x
  2. Step 2: Convert to fraction form
    714,439.81/985,890.92 = 424,064.05/x
  3. Step 3: Cross multiply
    714,439.81x = 985,890.92 × 424,064.05
  4. Step 4: Simplify right side
    714,439.81x = 418,080,900,534.50
  5. Step 5: Solve for x
    x = 418,080,900,534.50/714,439.81
  6. Step 6: Final answer
    x = 585,187.01

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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.