Home / 913,310.90-1,369,966.35-493,406.90

Finding the Fourth Proportional to 913,310.90, 1,369,966.35 and 493,406.90

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Solution

The fourth proportional to 913,310.90, 1,369,966.35 and 493,406.90 is: 740,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,310.90 : 1,369,966.35 = 493,406.90 : x
  2. Step 2: Convert to fraction form
    913,310.90/1,369,966.35 = 493,406.90/x
  3. Step 3: Cross multiply
    913,310.90x = 1,369,966.35 × 493,406.90
  4. Step 4: Simplify right side
    913,310.90x = 675,950,849,857.82
  5. Step 5: Solve for x
    x = 675,950,849,857.82/913,310.90
  6. Step 6: Final answer
    x = 740,110.35

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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.