Home / 708,264.12-977,379.66-385,967.64

Finding the Fourth Proportional to 708,264.12, 977,379.66 and 385,967.64

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Solution

The fourth proportional to 708,264.12, 977,379.66 and 385,967.64 is: 532,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,264.12 : 977,379.66 = 385,967.64 : x
  2. Step 2: Convert to fraction form
    708,264.12/977,379.66 = 385,967.64/x
  3. Step 3: Cross multiply
    708,264.12x = 977,379.66 × 385,967.64
  4. Step 4: Simplify right side
    708,264.12x = 377,236,920,754.20
  5. Step 5: Solve for x
    x = 377,236,920,754.20/708,264.12
  6. Step 6: Final answer
    x = 532,621.81

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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.