Home / 742,079.19-1,024,071.89-402,549.87

Finding the Fourth Proportional to 742,079.19, 1,024,071.89 and 402,549.87

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Solution

The fourth proportional to 742,079.19, 1,024,071.89 and 402,549.87 is: 555,520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,079.19 : 1,024,071.89 = 402,549.87 : x
  2. Step 2: Convert to fraction form
    742,079.19/1,024,071.89 = 402,549.87/x
  3. Step 3: Cross multiply
    742,079.19x = 1,024,071.89 × 402,549.87
  4. Step 4: Simplify right side
    742,079.19x = 412,240,004,177.41
  5. Step 5: Solve for x
    x = 412,240,004,177.41/742,079.19
  6. Step 6: Final answer
    x = 555,520.23

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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.