Home / 742,697.52-1,024,921.56-403,165.80

Finding the Fourth Proportional to 742,697.52, 1,024,921.56 and 403,165.80

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Solution

The fourth proportional to 742,697.52, 1,024,921.56 and 403,165.80 is: 556,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,697.52 : 1,024,921.56 = 403,165.80 : x
  2. Step 2: Convert to fraction form
    742,697.52/1,024,921.56 = 403,165.80/x
  3. Step 3: Cross multiply
    742,697.52x = 1,024,921.56 × 403,165.80
  4. Step 4: Simplify right side
    742,697.52x = 413,213,320,674.65
  5. Step 5: Solve for x
    x = 413,213,320,674.65/742,697.52
  6. Step 6: Final answer
    x = 556,368.25

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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.