Home / 886,929.10-1,330,393.65-818,500.30

Finding the Fourth Proportional to 886,929.10, 1,330,393.65 and 818,500.30

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Solution

The fourth proportional to 886,929.10, 1,330,393.65 and 818,500.30 is: 1,227,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,929.10 : 1,330,393.65 = 818,500.30 : x
  2. Step 2: Convert to fraction form
    886,929.10/1,330,393.65 = 818,500.30/x
  3. Step 3: Cross multiply
    886,929.10x = 1,330,393.65 × 818,500.30
  4. Step 4: Simplify right side
    886,929.10x = 1,088,927,601,643.10
  5. Step 5: Solve for x
    x = 1,088,927,601,643.10/886,929.10
  6. Step 6: Final answer
    x = 1,227,750.45

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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.