Home / 825,827.36-1,238,864.16-293,303.72

Finding the Fourth Proportional to 825,827.36, 1,238,864.16 and 293,303.72

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Solution

The fourth proportional to 825,827.36, 1,238,864.16 and 293,303.72 is: 439,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,827.36 : 1,238,864.16 = 293,303.72 : x
  2. Step 2: Convert to fraction form
    825,827.36/1,238,864.16 = 293,303.72/x
  3. Step 3: Cross multiply
    825,827.36x = 1,238,864.16 × 293,303.72
  4. Step 4: Simplify right side
    825,827.36x = 363,363,466,702.68
  5. Step 5: Solve for x
    x = 363,363,466,702.68/825,827.36
  6. Step 6: Final answer
    x = 439,999.31

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1.5x scale

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.