Home / 587,784.19-811,150.89-342,762.13

Finding the Fourth Proportional to 587,784.19, 811,150.89 and 342,762.13

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Solution

The fourth proportional to 587,784.19, 811,150.89 and 342,762.13 is: 473,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,784.19 : 811,150.89 = 342,762.13 : x
  2. Step 2: Convert to fraction form
    587,784.19/811,150.89 = 342,762.13/x
  3. Step 3: Cross multiply
    587,784.19x = 811,150.89 × 342,762.13
  4. Step 4: Simplify right side
    587,784.19x = 278,031,806,807.80
  5. Step 5: Solve for x
    x = 278,031,806,807.80/587,784.19
  6. Step 6: Final answer
    x = 473,016.82

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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.