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Finding the Fourth Proportional to 702,841.81, 969,922.16 and 380,552.13

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Solution

The fourth proportional to 702,841.81, 969,922.16 and 380,552.13 is: 525,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,841.81 : 969,922.16 = 380,552.13 : x
  2. Step 2: Convert to fraction form
    702,841.81/969,922.16 = 380,552.13/x
  3. Step 3: Cross multiply
    702,841.81x = 969,922.16 × 380,552.13
  4. Step 4: Simplify right side
    702,841.81x = 369,105,943,922.20
  5. Step 5: Solve for x
    x = 369,105,943,922.20/702,841.81
  6. Step 6: Final answer
    x = 525,162.19

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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.