Home / 862,895.53-1,190,836.35-480,925.03

Finding the Fourth Proportional to 862,895.53, 1,190,836.35 and 480,925.03

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Solution

The fourth proportional to 862,895.53, 1,190,836.35 and 480,925.03 is: 663,699.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,895.53 : 1,190,836.35 = 480,925.03 : x
  2. Step 2: Convert to fraction form
    862,895.53/1,190,836.35 = 480,925.03/x
  3. Step 3: Cross multiply
    862,895.53x = 1,190,836.35 × 480,925.03
  4. Step 4: Simplify right side
    862,895.53x = 572,703,007,348.84
  5. Step 5: Solve for x
    x = 572,703,007,348.84/862,895.53
  6. Step 6: Final answer
    x = 663,699.12

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1.5x scale

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.