Home / 838,669.75-1,157,412.84-631,567.39

Finding the Fourth Proportional to 838,669.75, 1,157,412.84 and 631,567.39

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Solution

The fourth proportional to 838,669.75, 1,157,412.84 and 631,567.39 is: 871,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,669.75 : 1,157,412.84 = 631,567.39 : x
  2. Step 2: Convert to fraction form
    838,669.75/1,157,412.84 = 631,567.39/x
  3. Step 3: Cross multiply
    838,669.75x = 1,157,412.84 × 631,567.39
  4. Step 4: Simplify right side
    838,669.75x = 730,984,206,511.29
  5. Step 5: Solve for x
    x = 730,984,206,511.29/838,669.75
  6. Step 6: Final answer
    x = 871,599.59

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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.