Home / 884,238.08-1,220,205.12-502,214.72

Finding the Fourth Proportional to 884,238.08, 1,220,205.12 and 502,214.72

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Solution

The fourth proportional to 884,238.08, 1,220,205.12 and 502,214.72 is: 693,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,238.08 : 1,220,205.12 = 502,214.72 : x
  2. Step 2: Convert to fraction form
    884,238.08/1,220,205.12 = 502,214.72/x
  3. Step 3: Cross multiply
    884,238.08x = 1,220,205.12 × 502,214.72
  4. Step 4: Simplify right side
    884,238.08x = 612,804,972,683.37
  5. Step 5: Solve for x
    x = 612,804,972,683.37/884,238.08
  6. Step 6: Final answer
    x = 693,031.65

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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.