Home / 742,494.36-1,024,642.80-402,962.52

Finding the Fourth Proportional to 742,494.36, 1,024,642.80 and 402,962.52

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Solution

The fourth proportional to 742,494.36, 1,024,642.80 and 402,962.52 is: 556,088.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,494.36 : 1,024,642.80 = 402,962.52 : x
  2. Step 2: Convert to fraction form
    742,494.36/1,024,642.80 = 402,962.52/x
  3. Step 3: Cross multiply
    742,494.36x = 1,024,642.80 × 402,962.52
  4. Step 4: Simplify right side
    742,494.36x = 412,892,644,787.86
  5. Step 5: Solve for x
    x = 412,892,644,787.86/742,494.36
  6. Step 6: Final answer
    x = 556,088.59

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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.