Home / 865,767.32-1,298,942.58-545,547.32

Finding the Fourth Proportional to 865,767.32, 1,298,942.58 and 545,547.32

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Solution

The fourth proportional to 865,767.32, 1,298,942.58 and 545,547.32 is: 818,504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,767.32 : 1,298,942.58 = 545,547.32 : x
  2. Step 2: Convert to fraction form
    865,767.32/1,298,942.58 = 545,547.32/x
  3. Step 3: Cross multiply
    865,767.32x = 1,298,942.58 × 545,547.32
  4. Step 4: Simplify right side
    865,767.32x = 708,634,643,352.89
  5. Step 5: Solve for x
    x = 708,634,643,352.89/865,767.32
  6. Step 6: Final answer
    x = 818,504.73

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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.