Home / 750,823.40-1,126,235.10-609,105.80

Finding the Fourth Proportional to 750,823.40, 1,126,235.10 and 609,105.80

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Solution

The fourth proportional to 750,823.40, 1,126,235.10 and 609,105.80 is: 913,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,823.40 : 1,126,235.10 = 609,105.80 : x
  2. Step 2: Convert to fraction form
    750,823.40/1,126,235.10 = 609,105.80/x
  3. Step 3: Cross multiply
    750,823.40x = 1,126,235.10 × 609,105.80
  4. Step 4: Simplify right side
    750,823.40x = 685,996,331,573.58
  5. Step 5: Solve for x
    x = 685,996,331,573.58/750,823.40
  6. Step 6: Final answer
    x = 913,658.70

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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.