Home / 708,554.08-1,061,923.80-388,701.28

Finding the Fourth Proportional to 708,554.08, 1,061,923.80 and 388,701.28

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Solution

The fourth proportional to 708,554.08, 1,061,923.80 and 388,701.28 is: 582,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,554.08 : 1,061,923.80 = 388,701.28 : x
  2. Step 2: Convert to fraction form
    708,554.08/1,061,923.80 = 388,701.28/x
  3. Step 3: Cross multiply
    708,554.08x = 1,061,923.80 × 388,701.28
  4. Step 4: Simplify right side
    708,554.08x = 412,771,140,322.46
  5. Step 5: Solve for x
    x = 412,771,140,322.46/708,554.08
  6. Step 6: Final answer
    x = 582,554.18

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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.