Home / 884,425.40-1,220,511.06-502,473.12

Finding the Fourth Proportional to 884,425.40, 1,220,511.06 and 502,473.12

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Solution

The fourth proportional to 884,425.40, 1,220,511.06 and 502,473.12 is: 693,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,425.40 : 1,220,511.06 = 502,473.12 : x
  2. Step 2: Convert to fraction form
    884,425.40/1,220,511.06 = 502,473.12/x
  3. Step 3: Cross multiply
    884,425.40x = 1,220,511.06 × 502,473.12
  4. Step 4: Simplify right side
    884,425.40x = 613,274,000,312.71
  5. Step 5: Solve for x
    x = 613,274,000,312.71/884,425.40
  6. Step 6: Final answer
    x = 693,415.18

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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.