Home / 772,113.06-1,157,774.72-322,711.29

Finding the Fourth Proportional to 772,113.06, 1,157,774.72 and 322,711.29

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Solution

The fourth proportional to 772,113.06, 1,157,774.72 and 322,711.29 is: 483,901.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,113.06 : 1,157,774.72 = 322,711.29 : x
  2. Step 2: Convert to fraction form
    772,113.06/1,157,774.72 = 322,711.29/x
  3. Step 3: Cross multiply
    772,113.06x = 1,157,774.72 × 322,711.29
  4. Step 4: Simplify right side
    772,113.06x = 373,626,971,807.03
  5. Step 5: Solve for x
    x = 373,626,971,807.03/772,113.06
  6. Step 6: Final answer
    x = 483,901.89

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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.