Home / 931,663.28-1,285,723.32-569,146.16

Finding the Fourth Proportional to 931,663.28, 1,285,723.32 and 569,146.16

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Solution

The fourth proportional to 931,663.28, 1,285,723.32 and 569,146.16 is: 785,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,663.28 : 1,285,723.32 = 569,146.16 : x
  2. Step 2: Convert to fraction form
    931,663.28/1,285,723.32 = 569,146.16/x
  3. Step 3: Cross multiply
    931,663.28x = 1,285,723.32 × 569,146.16
  4. Step 4: Simplify right side
    931,663.28x = 731,764,490,400.45
  5. Step 5: Solve for x
    x = 731,764,490,400.45/931,663.28
  6. Step 6: Final answer
    x = 785,438.80

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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.