Home / 708,136.22-977,228.10-385,846.35

Finding the Fourth Proportional to 708,136.22, 977,228.10 and 385,846.35

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Solution

The fourth proportional to 708,136.22, 977,228.10 and 385,846.35 is: 532,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,136.22 : 977,228.10 = 385,846.35 : x
  2. Step 2: Convert to fraction form
    708,136.22/977,228.10 = 385,846.35/x
  3. Step 3: Cross multiply
    708,136.22x = 977,228.10 × 385,846.35
  4. Step 4: Simplify right side
    708,136.22x = 377,059,895,502.44
  5. Step 5: Solve for x
    x = 377,059,895,502.44/708,136.22
  6. Step 6: Final answer
    x = 532,468.03

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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.