Home / 947,753.40-1,421,879.34-340,603.02

Finding the Fourth Proportional to 947,753.40, 1,421,879.34 and 340,603.02

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Solution

The fourth proportional to 947,753.40, 1,421,879.34 and 340,603.02 is: 510,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,753.40 : 1,421,879.34 = 340,603.02 : x
  2. Step 2: Convert to fraction form
    947,753.40/1,421,879.34 = 340,603.02/x
  3. Step 3: Cross multiply
    947,753.40x = 1,421,879.34 × 340,603.02
  4. Step 4: Simplify right side
    947,753.40x = 484,296,397,279.61
  5. Step 5: Solve for x
    x = 484,296,397,279.61/947,753.40
  6. Step 6: Final answer
    x = 510,994.10

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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.