Home / 768,521.20-1,152,090.60-502,409.20

Finding the Fourth Proportional to 768,521.20, 1,152,090.60 and 502,409.20

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Solution

The fourth proportional to 768,521.20, 1,152,090.60 and 502,409.20 is: 753,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,521.20 : 1,152,090.60 = 502,409.20 : x
  2. Step 2: Convert to fraction form
    768,521.20/1,152,090.60 = 502,409.20/x
  3. Step 3: Cross multiply
    768,521.20x = 1,152,090.60 × 502,409.20
  4. Step 4: Simplify right side
    768,521.20x = 578,820,916,673.52
  5. Step 5: Solve for x
    x = 578,820,916,673.52/768,521.20
  6. Step 6: Final answer
    x = 753,161.94

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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.