Home / 742,089.96-1,024,077.06-402,559.56

Finding the Fourth Proportional to 742,089.96, 1,024,077.06 and 402,559.56

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Solution

The fourth proportional to 742,089.96, 1,024,077.06 and 402,559.56 is: 555,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,089.96 : 1,024,077.06 = 402,559.56 : x
  2. Step 2: Convert to fraction form
    742,089.96/1,024,077.06 = 402,559.56/x
  3. Step 3: Cross multiply
    742,089.96x = 1,024,077.06 × 402,559.56
  4. Step 4: Simplify right side
    742,089.96x = 412,252,010,679.69
  5. Step 5: Solve for x
    x = 412,252,010,679.69/742,089.96
  6. Step 6: Final answer
    x = 555,528.35

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Double scale
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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.