Home / 910,476.40-1,255,151.52-716,548

Finding the Fourth Proportional to 910,476.40, 1,255,151.52 and 716,548

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Solution

The fourth proportional to 910,476.40, 1,255,151.52 and 716,548 is: 987,808.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,476.40 : 1,255,151.52 = 716,548 : x
  2. Step 2: Convert to fraction form
    910,476.40/1,255,151.52 = 716,548/x
  3. Step 3: Cross multiply
    910,476.40x = 1,255,151.52 × 716,548
  4. Step 4: Simplify right side
    910,476.40x = 899,376,311,352.96
  5. Step 5: Solve for x
    x = 899,376,311,352.96/910,476.40
  6. Step 6: Final answer
    x = 987,808.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.