Home / 880,688.40-1,321,032.60-565,501.20

Finding the Fourth Proportional to 880,688.40, 1,321,032.60 and 565,501.20

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Solution

The fourth proportional to 880,688.40, 1,321,032.60 and 565,501.20 is: 848,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,688.40 : 1,321,032.60 = 565,501.20 : x
  2. Step 2: Convert to fraction form
    880,688.40/1,321,032.60 = 565,501.20/x
  3. Step 3: Cross multiply
    880,688.40x = 1,321,032.60 × 565,501.20
  4. Step 4: Simplify right side
    880,688.40x = 747,045,520,539.12
  5. Step 5: Solve for x
    x = 747,045,520,539.12/880,688.40
  6. Step 6: Final answer
    x = 848,251.80

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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.