Home / 723,205.09-1,084,988.24-510,388.66

Finding the Fourth Proportional to 723,205.09, 1,084,988.24 and 510,388.66

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Solution

The fourth proportional to 723,205.09, 1,084,988.24 and 510,388.66 is: 765,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,205.09 : 1,084,988.24 = 510,388.66 : x
  2. Step 2: Convert to fraction form
    723,205.09/1,084,988.24 = 510,388.66/x
  3. Step 3: Cross multiply
    723,205.09x = 1,084,988.24 × 510,388.66
  4. Step 4: Simplify right side
    723,205.09x = 553,765,692,492.86
  5. Step 5: Solve for x
    x = 553,765,692,492.86/723,205.09
  6. Step 6: Final answer
    x = 765,710.45

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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.