Home / 913,307.67-1,369,801.11-282,226.95

Finding the Fourth Proportional to 913,307.67, 1,369,801.11 and 282,226.95

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Solution

The fourth proportional to 913,307.67, 1,369,801.11 and 282,226.95 is: 423,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,307.67 : 1,369,801.11 = 282,226.95 : x
  2. Step 2: Convert to fraction form
    913,307.67/1,369,801.11 = 282,226.95/x
  3. Step 3: Cross multiply
    913,307.67x = 1,369,801.11 × 282,226.95
  4. Step 4: Simplify right side
    913,307.67x = 386,594,789,381.92
  5. Step 5: Solve for x
    x = 386,594,789,381.92/913,307.67
  6. Step 6: Final answer
    x = 423,290.86

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1.5x scale

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.