Home / 912,251.08-1,368,599.10-642,904.48

Finding the Fourth Proportional to 912,251.08, 1,368,599.10 and 642,904.48

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Solution

The fourth proportional to 912,251.08, 1,368,599.10 and 642,904.48 is: 964,513.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,251.08 : 1,368,599.10 = 642,904.48 : x
  2. Step 2: Convert to fraction form
    912,251.08/1,368,599.10 = 642,904.48/x
  3. Step 3: Cross multiply
    912,251.08x = 1,368,599.10 × 642,904.48
  4. Step 4: Simplify right side
    912,251.08x = 879,878,492,713.97
  5. Step 5: Solve for x
    x = 879,878,492,713.97/912,251.08
  6. Step 6: Final answer
    x = 964,513.51

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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.