Home / 979,034.40-1,351,066.32-571,416.48

Finding the Fourth Proportional to 979,034.40, 1,351,066.32 and 571,416.48

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Solution

The fourth proportional to 979,034.40, 1,351,066.32 and 571,416.48 is: 788,554.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,034.40 : 1,351,066.32 = 571,416.48 : x
  2. Step 2: Convert to fraction form
    979,034.40/1,351,066.32 = 571,416.48/x
  3. Step 3: Cross multiply
    979,034.40x = 1,351,066.32 × 571,416.48
  4. Step 4: Simplify right side
    979,034.40x = 772,021,560,820.95
  5. Step 5: Solve for x
    x = 772,021,560,820.95/979,034.40
  6. Step 6: Final answer
    x = 788,554.07

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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.