Home / 708,276.04-977,392.53-385,979.23

Finding the Fourth Proportional to 708,276.04, 977,392.53 and 385,979.23

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Solution

The fourth proportional to 708,276.04, 977,392.53 and 385,979.23 is: 532,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,276.04 : 977,392.53 = 385,979.23 : x
  2. Step 2: Convert to fraction form
    708,276.04/977,392.53 = 385,979.23/x
  3. Step 3: Cross multiply
    708,276.04x = 977,392.53 × 385,979.23
  4. Step 4: Simplify right side
    708,276.04x = 377,253,216,137.15
  5. Step 5: Solve for x
    x = 377,253,216,137.15/708,276.04
  6. Step 6: Final answer
    x = 532,635.86

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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.