Home / 869,145.20-1,302,162.60-710,514.80

Finding the Fourth Proportional to 869,145.20, 1,302,162.60 and 710,514.80

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Solution

The fourth proportional to 869,145.20, 1,302,162.60 and 710,514.80 is: 1,064,500.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,145.20 : 1,302,162.60 = 710,514.80 : x
  2. Step 2: Convert to fraction form
    869,145.20/1,302,162.60 = 710,514.80/x
  3. Step 3: Cross multiply
    869,145.20x = 1,302,162.60 × 710,514.80
  4. Step 4: Simplify right side
    869,145.20x = 925,205,799,306.48
  5. Step 5: Solve for x
    x = 925,205,799,306.48/869,145.20
  6. Step 6: Final answer
    x = 1,064,500.84

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1.5x scale

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.