Home / 742,182.55-1,024,308.36-415,619.89

Finding the Fourth Proportional to 742,182.55, 1,024,308.36 and 415,619.89

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Solution

The fourth proportional to 742,182.55, 1,024,308.36 and 415,619.89 is: 573,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,182.55 : 1,024,308.36 = 415,619.89 : x
  2. Step 2: Convert to fraction form
    742,182.55/1,024,308.36 = 415,619.89/x
  3. Step 3: Cross multiply
    742,182.55x = 1,024,308.36 × 415,619.89
  4. Step 4: Simplify right side
    742,182.55x = 425,722,927,909.28
  5. Step 5: Solve for x
    x = 425,722,927,909.28/742,182.55
  6. Step 6: Final answer
    x = 573,609.45

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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.