Home / 742,396.11-1,024,506.63-402,864.36

Finding the Fourth Proportional to 742,396.11, 1,024,506.63 and 402,864.36

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Solution

The fourth proportional to 742,396.11, 1,024,506.63 and 402,864.36 is: 555,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,396.11 : 1,024,506.63 = 402,864.36 : x
  2. Step 2: Convert to fraction form
    742,396.11/1,024,506.63 = 402,864.36/x
  3. Step 3: Cross multiply
    742,396.11x = 1,024,506.63 × 402,864.36
  4. Step 4: Simplify right side
    742,396.11x = 412,737,207,810.71
  5. Step 5: Solve for x
    x = 412,737,207,810.71/742,396.11
  6. Step 6: Final answer
    x = 555,952.82

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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.