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Finding the Fourth Proportional to 886,393.70, 1,330,574.70 and 549,814.40

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Solution

The fourth proportional to 886,393.70, 1,330,574.70 and 549,814.40 is: 825,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,393.70 : 1,330,574.70 = 549,814.40 : x
  2. Step 2: Convert to fraction form
    886,393.70/1,330,574.70 = 549,814.40/x
  3. Step 3: Cross multiply
    886,393.70x = 1,330,574.70 × 549,814.40
  4. Step 4: Simplify right side
    886,393.70x = 731,569,130,335.68
  5. Step 5: Solve for x
    x = 731,569,130,335.68/886,393.70
  6. Step 6: Final answer
    x = 825,332.05

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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.