Home / 869,484.80-1,301,324.16-495,407.36

Finding the Fourth Proportional to 869,484.80, 1,301,324.16 and 495,407.36

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Solution

The fourth proportional to 869,484.80, 1,301,324.16 and 495,407.36 is: 741,456.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,484.80 : 1,301,324.16 = 495,407.36 : x
  2. Step 2: Convert to fraction form
    869,484.80/1,301,324.16 = 495,407.36/x
  3. Step 3: Cross multiply
    869,484.80x = 1,301,324.16 × 495,407.36
  4. Step 4: Simplify right side
    869,484.80x = 644,685,566,609.82
  5. Step 5: Solve for x
    x = 644,685,566,609.82/869,484.80
  6. Step 6: Final answer
    x = 741,456.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.