Home / 768,043.40-1,152,065.10-724,497.80

Finding the Fourth Proportional to 768,043.40, 1,152,065.10 and 724,497.80

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Solution

The fourth proportional to 768,043.40, 1,152,065.10 and 724,497.80 is: 1,086,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,043.40 : 1,152,065.10 = 724,497.80 : x
  2. Step 2: Convert to fraction form
    768,043.40/1,152,065.10 = 724,497.80/x
  3. Step 3: Cross multiply
    768,043.40x = 1,152,065.10 × 724,497.80
  4. Step 4: Simplify right side
    768,043.40x = 834,668,630,406.78
  5. Step 5: Solve for x
    x = 834,668,630,406.78/768,043.40
  6. Step 6: Final answer
    x = 1,086,746.70

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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.