Home / 913,827.61-1,370,888.30-314,641.45

Finding the Fourth Proportional to 913,827.61, 1,370,888.30 and 314,641.45

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Solution

The fourth proportional to 913,827.61, 1,370,888.30 and 314,641.45 is: 472,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,827.61 : 1,370,888.30 = 314,641.45 : x
  2. Step 2: Convert to fraction form
    913,827.61/1,370,888.30 = 314,641.45/x
  3. Step 3: Cross multiply
    913,827.61x = 1,370,888.30 × 314,641.45
  4. Step 4: Simplify right side
    913,827.61x = 431,338,282,500.04
  5. Step 5: Solve for x
    x = 431,338,282,500.04/913,827.61
  6. Step 6: Final answer
    x = 472,012.75

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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.