Home / 742,557.76-1,024,730.72-403,026.04

Finding the Fourth Proportional to 742,557.76, 1,024,730.72 and 403,026.04

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Solution

The fourth proportional to 742,557.76, 1,024,730.72 and 403,026.04 is: 556,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,557.76 : 1,024,730.72 = 403,026.04 : x
  2. Step 2: Convert to fraction form
    742,557.76/1,024,730.72 = 403,026.04/x
  3. Step 3: Cross multiply
    742,557.76x = 1,024,730.72 × 403,026.04
  4. Step 4: Simplify right side
    742,557.76x = 412,993,164,147.95
  5. Step 5: Solve for x
    x = 412,993,164,147.95/742,557.76
  6. Step 6: Final answer
    x = 556,176.48

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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.