Home / 965,637.84-1,331,654.50-578,391.42

Finding the Fourth Proportional to 965,637.84, 1,331,654.50 and 578,391.42

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Solution

The fourth proportional to 965,637.84, 1,331,654.50 and 578,391.42 is: 797,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,637.84 : 1,331,654.50 = 578,391.42 : x
  2. Step 2: Convert to fraction form
    965,637.84/1,331,654.50 = 578,391.42/x
  3. Step 3: Cross multiply
    965,637.84x = 1,331,654.50 × 578,391.42
  4. Step 4: Simplify right side
    965,637.84x = 770,217,537,204.39
  5. Step 5: Solve for x
    x = 770,217,537,204.39/965,637.84
  6. Step 6: Final answer
    x = 797,625.68

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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.