Home / 822,074.40-1,234,378.80-448,826.40

Finding the Fourth Proportional to 822,074.40, 1,234,378.80 and 448,826.40

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Solution

The fourth proportional to 822,074.40, 1,234,378.80 and 448,826.40 is: 673,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,074.40 : 1,234,378.80 = 448,826.40 : x
  2. Step 2: Convert to fraction form
    822,074.40/1,234,378.80 = 448,826.40/x
  3. Step 3: Cross multiply
    822,074.40x = 1,234,378.80 × 448,826.40
  4. Step 4: Simplify right side
    822,074.40x = 554,021,793,040.32
  5. Step 5: Solve for x
    x = 554,021,793,040.32/822,074.40
  6. Step 6: Final answer
    x = 673,931.45

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Similar ratio
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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.