Home / 879,798.80-1,214,147.93-497,817.38

Finding the Fourth Proportional to 879,798.80, 1,214,147.93 and 497,817.38

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Solution

The fourth proportional to 879,798.80, 1,214,147.93 and 497,817.38 is: 687,002.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,798.80 : 1,214,147.93 = 497,817.38 : x
  2. Step 2: Convert to fraction form
    879,798.80/1,214,147.93 = 497,817.38/x
  3. Step 3: Cross multiply
    879,798.80x = 1,214,147.93 × 497,817.38
  4. Step 4: Simplify right side
    879,798.80x = 604,423,932,885.20
  5. Step 5: Solve for x
    x = 604,423,932,885.20/879,798.80
  6. Step 6: Final answer
    x = 687,002.46

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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.