Home / 699,332.30-1,049,979.86-358,019.51

Finding the Fourth Proportional to 699,332.30, 1,049,979.86 and 358,019.51

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Solution

The fourth proportional to 699,332.30, 1,049,979.86 and 358,019.51 is: 537,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,332.30 : 1,049,979.86 = 358,019.51 : x
  2. Step 2: Convert to fraction form
    699,332.30/1,049,979.86 = 358,019.51/x
  3. Step 3: Cross multiply
    699,332.30x = 1,049,979.86 × 358,019.51
  4. Step 4: Simplify right side
    699,332.30x = 375,913,277,209.64
  5. Step 5: Solve for x
    x = 375,913,277,209.64/699,332.30
  6. Step 6: Final answer
    x = 537,531.70

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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.