Home / 709,772.06-979,426.60-403,767.02

Finding the Fourth Proportional to 709,772.06, 979,426.60 and 403,767.02

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Solution

The fourth proportional to 709,772.06, 979,426.60 and 403,767.02 is: 557,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,772.06 : 979,426.60 = 403,767.02 : x
  2. Step 2: Convert to fraction form
    709,772.06/979,426.60 = 403,767.02/x
  3. Step 3: Cross multiply
    709,772.06x = 979,426.60 × 403,767.02
  4. Step 4: Simplify right side
    709,772.06x = 395,460,153,684.18
  5. Step 5: Solve for x
    x = 395,460,153,684.18/709,772.06
  6. Step 6: Final answer
    x = 557,165.01

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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.