Home / 779,006.61-1,168,661.40-299,199.32

Finding the Fourth Proportional to 779,006.61, 1,168,661.40 and 299,199.32

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Solution

The fourth proportional to 779,006.61, 1,168,661.40 and 299,199.32 is: 448,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,006.61 : 1,168,661.40 = 299,199.32 : x
  2. Step 2: Convert to fraction form
    779,006.61/1,168,661.40 = 299,199.32/x
  3. Step 3: Cross multiply
    779,006.61x = 1,168,661.40 × 299,199.32
  4. Step 4: Simplify right side
    779,006.61x = 349,662,690,346.94
  5. Step 5: Solve for x
    x = 349,662,690,346.94/779,006.61
  6. Step 6: Final answer
    x = 448,857.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.