Home / 786,384.20-1,082,964.16-708,194.08

Finding the Fourth Proportional to 786,384.20, 1,082,964.16 and 708,194.08

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Solution

The fourth proportional to 786,384.20, 1,082,964.16 and 708,194.08 is: 975,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,384.20 : 1,082,964.16 = 708,194.08 : x
  2. Step 2: Convert to fraction form
    786,384.20/1,082,964.16 = 708,194.08/x
  3. Step 3: Cross multiply
    786,384.20x = 1,082,964.16 × 708,194.08
  4. Step 4: Simplify right side
    786,384.20x = 766,948,806,964.17
  5. Step 5: Solve for x
    x = 766,948,806,964.17/786,384.20
  6. Step 6: Final answer
    x = 975,285.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.