Home / 708,270.20-977,384.42-385,973.36

Finding the Fourth Proportional to 708,270.20, 977,384.42 and 385,973.36

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Solution

The fourth proportional to 708,270.20, 977,384.42 and 385,973.36 is: 532,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,270.20 : 977,384.42 = 385,973.36 : x
  2. Step 2: Convert to fraction form
    708,270.20/977,384.42 = 385,973.36/x
  3. Step 3: Cross multiply
    708,270.20x = 977,384.42 × 385,973.36
  4. Step 4: Simplify right side
    708,270.20x = 377,244,341,782.26
  5. Step 5: Solve for x
    x = 377,244,341,782.26/708,270.20
  6. Step 6: Final answer
    x = 532,627.72

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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.