Home / 742,534.85-1,024,697.84-403,003.10

Finding the Fourth Proportional to 742,534.85, 1,024,697.84 and 403,003.10

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Solution

The fourth proportional to 742,534.85, 1,024,697.84 and 403,003.10 is: 556,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,534.85 : 1,024,697.84 = 403,003.10 : x
  2. Step 2: Convert to fraction form
    742,534.85/1,024,697.84 = 403,003.10/x
  3. Step 3: Cross multiply
    742,534.85x = 1,024,697.84 × 403,003.10
  4. Step 4: Simplify right side
    742,534.85x = 412,956,398,944.80
  5. Step 5: Solve for x
    x = 412,956,398,944.80/742,534.85
  6. Step 6: Final answer
    x = 556,144.13

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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.