Home / 977,894.50-1,349,499.27-570,279.01

Finding the Fourth Proportional to 977,894.50, 1,349,499.27 and 570,279.01

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Solution

The fourth proportional to 977,894.50, 1,349,499.27 and 570,279.01 is: 786,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,894.50 : 1,349,499.27 = 570,279.01 : x
  2. Step 2: Convert to fraction form
    977,894.50/1,349,499.27 = 570,279.01/x
  3. Step 3: Cross multiply
    977,894.50x = 1,349,499.27 × 570,279.01
  4. Step 4: Simplify right side
    977,894.50x = 769,591,107,691.32
  5. Step 5: Solve for x
    x = 769,591,107,691.32/977,894.50
  6. Step 6: Final answer
    x = 786,987.87

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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.