Home / 950,853.31-1,312,118.09-521,102.95

Finding the Fourth Proportional to 950,853.31, 1,312,118.09 and 521,102.95

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Solution

The fourth proportional to 950,853.31, 1,312,118.09 and 521,102.95 is: 719,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,853.31 : 1,312,118.09 = 521,102.95 : x
  2. Step 2: Convert to fraction form
    950,853.31/1,312,118.09 = 521,102.95/x
  3. Step 3: Cross multiply
    950,853.31x = 1,312,118.09 × 521,102.95
  4. Step 4: Simplify right side
    950,853.31x = 683,748,604,841.85
  5. Step 5: Solve for x
    x = 683,748,604,841.85/950,853.31
  6. Step 6: Final answer
    x = 719,089.47

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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.