Home / 768,015.40-1,152,023.10-581,391.40

Finding the Fourth Proportional to 768,015.40, 1,152,023.10 and 581,391.40

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Solution

The fourth proportional to 768,015.40, 1,152,023.10 and 581,391.40 is: 872,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,015.40 : 1,152,023.10 = 581,391.40 : x
  2. Step 2: Convert to fraction form
    768,015.40/1,152,023.10 = 581,391.40/x
  3. Step 3: Cross multiply
    768,015.40x = 1,152,023.10 × 581,391.40
  4. Step 4: Simplify right side
    768,015.40x = 669,776,322,941.34
  5. Step 5: Solve for x
    x = 669,776,322,941.34/768,015.40
  6. Step 6: Final answer
    x = 872,087.10

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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.