Home / 707,101.29-975,821.91-401,190.55

Finding the Fourth Proportional to 707,101.29, 975,821.91 and 401,190.55

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Solution

The fourth proportional to 707,101.29, 975,821.91 and 401,190.55 is: 553,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,101.29 : 975,821.91 = 401,190.55 : x
  2. Step 2: Convert to fraction form
    707,101.29/975,821.91 = 401,190.55/x
  3. Step 3: Cross multiply
    707,101.29x = 975,821.91 × 401,190.55
  4. Step 4: Simplify right side
    707,101.29x = 391,490,523,895.84
  5. Step 5: Solve for x
    x = 391,490,523,895.84/707,101.29
  6. Step 6: Final answer
    x = 553,655.51

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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.