Home / 642,246.03-885,459.33-552,565.35

Finding the Fourth Proportional to 642,246.03, 885,459.33 and 552,565.35

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Solution

The fourth proportional to 642,246.03, 885,459.33 and 552,565.35 is: 761,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,246.03 : 885,459.33 = 552,565.35 : x
  2. Step 2: Convert to fraction form
    642,246.03/885,459.33 = 552,565.35/x
  3. Step 3: Cross multiply
    642,246.03x = 885,459.33 × 552,565.35
  4. Step 4: Simplify right side
    642,246.03x = 489,274,144,592.22
  5. Step 5: Solve for x
    x = 489,274,144,592.22/642,246.03
  6. Step 6: Final answer
    x = 761,817.31

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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.