Home / 910,851.70-1,366,277.55-319,875.70

Finding the Fourth Proportional to 910,851.70, 1,366,277.55 and 319,875.70

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Solution

The fourth proportional to 910,851.70, 1,366,277.55 and 319,875.70 is: 479,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,851.70 : 1,366,277.55 = 319,875.70 : x
  2. Step 2: Convert to fraction form
    910,851.70/1,366,277.55 = 319,875.70/x
  3. Step 3: Cross multiply
    910,851.70x = 1,366,277.55 × 319,875.70
  4. Step 4: Simplify right side
    910,851.70x = 437,038,987,700.54
  5. Step 5: Solve for x
    x = 437,038,987,700.54/910,851.70
  6. Step 6: Final answer
    x = 479,813.55

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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.