Home / 913,218.39-1,369,813.23-314,184.74

Finding the Fourth Proportional to 913,218.39, 1,369,813.23 and 314,184.74

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Solution

The fourth proportional to 913,218.39, 1,369,813.23 and 314,184.74 is: 471,272.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,218.39 : 1,369,813.23 = 314,184.74 : x
  2. Step 2: Convert to fraction form
    913,218.39/1,369,813.23 = 314,184.74/x
  3. Step 3: Cross multiply
    913,218.39x = 1,369,813.23 × 314,184.74
  4. Step 4: Simplify right side
    913,218.39x = 430,374,413,516.11
  5. Step 5: Solve for x
    x = 430,374,413,516.11/913,218.39
  6. Step 6: Final answer
    x = 471,272.17

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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.