Home / 742,423.16-1,024,544.61-402,891.41

Finding the Fourth Proportional to 742,423.16, 1,024,544.61 and 402,891.41

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Solution

The fourth proportional to 742,423.16, 1,024,544.61 and 402,891.41 is: 555,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,423.16 : 1,024,544.61 = 402,891.41 : x
  2. Step 2: Convert to fraction form
    742,423.16/1,024,544.61 = 402,891.41/x
  3. Step 3: Cross multiply
    742,423.16x = 1,024,544.61 × 402,891.41
  4. Step 4: Simplify right side
    742,423.16x = 412,780,222,530.80
  5. Step 5: Solve for x
    x = 412,780,222,530.80/742,423.16
  6. Step 6: Final answer
    x = 555,990.50

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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.