Home / 910,710.12-1,257,895.90-682,288.90

Finding the Fourth Proportional to 910,710.12, 1,257,895.90 and 682,288.90

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Solution

The fourth proportional to 910,710.12, 1,257,895.90 and 682,288.90 is: 942,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,710.12 : 1,257,895.90 = 682,288.90 : x
  2. Step 2: Convert to fraction form
    910,710.12/1,257,895.90 = 682,288.90/x
  3. Step 3: Cross multiply
    910,710.12x = 1,257,895.90 × 682,288.90
  4. Step 4: Simplify right side
    910,710.12x = 858,248,409,925.51
  5. Step 5: Solve for x
    x = 858,248,409,925.51/910,710.12
  6. Step 6: Final answer
    x = 942,394.72

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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.