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Finding the Fourth Proportional to 589,300.08, 813,212.56 and 360,240.96

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Solution

The fourth proportional to 589,300.08, 813,212.56 and 360,240.96 is: 497,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,300.08 : 813,212.56 = 360,240.96 : x
  2. Step 2: Convert to fraction form
    589,300.08/813,212.56 = 360,240.96/x
  3. Step 3: Cross multiply
    589,300.08x = 813,212.56 × 360,240.96
  4. Step 4: Simplify right side
    589,300.08x = 292,952,473,298.46
  5. Step 5: Solve for x
    x = 292,952,473,298.46/589,300.08
  6. Step 6: Final answer
    x = 497,119.35

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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.