Home / 771,069.17-1,156,316.46-265,488.77

Finding the Fourth Proportional to 771,069.17, 1,156,316.46 and 265,488.77

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Solution

The fourth proportional to 771,069.17, 1,156,316.46 and 265,488.77 is: 398,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,069.17 : 1,156,316.46 = 265,488.77 : x
  2. Step 2: Convert to fraction form
    771,069.17/1,156,316.46 = 265,488.77/x
  3. Step 3: Cross multiply
    771,069.17x = 1,156,316.46 × 265,488.77
  4. Step 4: Simplify right side
    771,069.17x = 306,989,028,914.57
  5. Step 5: Solve for x
    x = 306,989,028,914.57/771,069.17
  6. Step 6: Final answer
    x = 398,134.23

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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.