Home / 750,709.76-1,035,979.52-411,190.16

Finding the Fourth Proportional to 750,709.76, 1,035,979.52 and 411,190.16

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Solution

The fourth proportional to 750,709.76, 1,035,979.52 and 411,190.16 is: 567,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,709.76 : 1,035,979.52 = 411,190.16 : x
  2. Step 2: Convert to fraction form
    750,709.76/1,035,979.52 = 411,190.16/x
  3. Step 3: Cross multiply
    750,709.76x = 1,035,979.52 × 411,190.16
  4. Step 4: Simplify right side
    750,709.76x = 425,984,584,585.52
  5. Step 5: Solve for x
    x = 425,984,584,585.52/750,709.76
  6. Step 6: Final answer
    x = 567,442.45

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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.