Home / 783,432.40-1,175,148.60-707,246.80

Finding the Fourth Proportional to 783,432.40, 1,175,148.60 and 707,246.80

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Solution

The fourth proportional to 783,432.40, 1,175,148.60 and 707,246.80 is: 1,060,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,432.40 : 1,175,148.60 = 707,246.80 : x
  2. Step 2: Convert to fraction form
    783,432.40/1,175,148.60 = 707,246.80/x
  3. Step 3: Cross multiply
    783,432.40x = 1,175,148.60 × 707,246.80
  4. Step 4: Simplify right side
    783,432.40x = 831,120,086,874.48
  5. Step 5: Solve for x
    x = 831,120,086,874.48/783,432.40
  6. Step 6: Final answer
    x = 1,060,870.20

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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.