Home / 742,427.44-1,024,549.84-402,895.70

Finding the Fourth Proportional to 742,427.44, 1,024,549.84 and 402,895.70

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Solution

The fourth proportional to 742,427.44, 1,024,549.84 and 402,895.70 is: 555,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,427.44 : 1,024,549.84 = 402,895.70 : x
  2. Step 2: Convert to fraction form
    742,427.44/1,024,549.84 = 402,895.70/x
  3. Step 3: Cross multiply
    742,427.44x = 1,024,549.84 × 402,895.70
  4. Step 4: Simplify right side
    742,427.44x = 412,786,724,971.69
  5. Step 5: Solve for x
    x = 412,786,724,971.69/742,427.44
  6. Step 6: Final answer
    x = 555,996.05

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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.