Home / 915,813.18-1,373,929.02-316,773.84

Finding the Fourth Proportional to 915,813.18, 1,373,929.02 and 316,773.84

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Solution

The fourth proportional to 915,813.18, 1,373,929.02 and 316,773.84 is: 475,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,813.18 : 1,373,929.02 = 316,773.84 : x
  2. Step 2: Convert to fraction form
    915,813.18/1,373,929.02 = 316,773.84/x
  3. Step 3: Cross multiply
    915,813.18x = 1,373,929.02 × 316,773.84
  4. Step 4: Simplify right side
    915,813.18x = 435,224,771,552.84
  5. Step 5: Solve for x
    x = 435,224,771,552.84/915,813.18
  6. Step 6: Final answer
    x = 475,233.14

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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.