Home / 798,178.77-1,101,509.79-435,625.74

Finding the Fourth Proportional to 798,178.77, 1,101,509.79 and 435,625.74

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Solution

The fourth proportional to 798,178.77, 1,101,509.79 and 435,625.74 is: 601,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,178.77 : 1,101,509.79 = 435,625.74 : x
  2. Step 2: Convert to fraction form
    798,178.77/1,101,509.79 = 435,625.74/x
  3. Step 3: Cross multiply
    798,178.77x = 1,101,509.79 × 435,625.74
  4. Step 4: Simplify right side
    798,178.77x = 479,846,017,386.00
  5. Step 5: Solve for x
    x = 479,846,017,386.00/798,178.77
  6. Step 6: Final answer
    x = 601,176.12

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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.