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Finding the Fourth Proportional to 589,326.36, 813,248.80 and 360,267.27

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Solution

The fourth proportional to 589,326.36, 813,248.80 and 360,267.27 is: 497,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,326.36 : 813,248.80 = 360,267.27 : x
  2. Step 2: Convert to fraction form
    589,326.36/813,248.80 = 360,267.27/x
  3. Step 3: Cross multiply
    589,326.36x = 813,248.80 × 360,267.27
  4. Step 4: Simplify right side
    589,326.36x = 292,986,925,006.78
  5. Step 5: Solve for x
    x = 292,986,925,006.78/589,326.36
  6. Step 6: Final answer
    x = 497,155.64

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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.