Home / 742,177.50-1,024,206.93-402,645.75

Finding the Fourth Proportional to 742,177.50, 1,024,206.93 and 402,645.75

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Solution

The fourth proportional to 742,177.50, 1,024,206.93 and 402,645.75 is: 555,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,177.50 : 1,024,206.93 = 402,645.75 : x
  2. Step 2: Convert to fraction form
    742,177.50/1,024,206.93 = 402,645.75/x
  3. Step 3: Cross multiply
    742,177.50x = 1,024,206.93 × 402,645.75
  4. Step 4: Simplify right side
    742,177.50x = 412,392,567,485.05
  5. Step 5: Solve for x
    x = 412,392,567,485.05/742,177.50
  6. Step 6: Final answer
    x = 555,652.21

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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.