Home / 742,568.73-1,024,742.27-403,036.98

Finding the Fourth Proportional to 742,568.73, 1,024,742.27 and 403,036.98

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Solution

The fourth proportional to 742,568.73, 1,024,742.27 and 403,036.98 is: 556,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,568.73 : 1,024,742.27 = 403,036.98 : x
  2. Step 2: Convert to fraction form
    742,568.73/1,024,742.27 = 403,036.98/x
  3. Step 3: Cross multiply
    742,568.73x = 1,024,742.27 × 403,036.98
  4. Step 4: Simplify right side
    742,568.73x = 413,009,026,943.95
  5. Step 5: Solve for x
    x = 413,009,026,943.95/742,568.73
  6. Step 6: Final answer
    x = 556,189.63

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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.