Home / 743,567.40-1,026,129.51-404,035.65

Finding the Fourth Proportional to 743,567.40, 1,026,129.51 and 404,035.65

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Solution

The fourth proportional to 743,567.40, 1,026,129.51 and 404,035.65 is: 557,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,567.40 : 1,026,129.51 = 404,035.65 : x
  2. Step 2: Convert to fraction form
    743,567.40/1,026,129.51 = 404,035.65/x
  3. Step 3: Cross multiply
    743,567.40x = 1,026,129.51 × 404,035.65
  4. Step 4: Simplify right side
    743,567.40x = 414,592,903,557.03
  5. Step 5: Solve for x
    x = 414,592,903,557.03/743,567.40
  6. Step 6: Final answer
    x = 557,572.73

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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.