Home / 879,818.55-1,214,175.18-497,837.13

Finding the Fourth Proportional to 879,818.55, 1,214,175.18 and 497,837.13

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Solution

The fourth proportional to 879,818.55, 1,214,175.18 and 497,837.13 is: 687,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,818.55 : 1,214,175.18 = 497,837.13 : x
  2. Step 2: Convert to fraction form
    879,818.55/1,214,175.18 = 497,837.13/x
  3. Step 3: Cross multiply
    879,818.55x = 1,214,175.18 × 497,837.13
  4. Step 4: Simplify right side
    879,818.55x = 604,461,486,928.43
  5. Step 5: Solve for x
    x = 604,461,486,928.43/879,818.55
  6. Step 6: Final answer
    x = 687,029.71

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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.