Home / 771,125.04-1,156,400.28-265,545.36

Finding the Fourth Proportional to 771,125.04, 1,156,400.28 and 265,545.36

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Solution

The fourth proportional to 771,125.04, 1,156,400.28 and 265,545.36 is: 398,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,125.04 : 1,156,400.28 = 265,545.36 : x
  2. Step 2: Convert to fraction form
    771,125.04/1,156,400.28 = 265,545.36/x
  3. Step 3: Cross multiply
    771,125.04x = 1,156,400.28 × 265,545.36
  4. Step 4: Simplify right side
    771,125.04x = 307,076,728,656.70
  5. Step 5: Solve for x
    x = 307,076,728,656.70/771,125.04
  6. Step 6: Final answer
    x = 398,219.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.