Home / 976,535.20-1,464,802.80-970,314.40

Finding the Fourth Proportional to 976,535.20, 1,464,802.80 and 970,314.40

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Solution

The fourth proportional to 976,535.20, 1,464,802.80 and 970,314.40 is: 1,455,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,535.20 : 1,464,802.80 = 970,314.40 : x
  2. Step 2: Convert to fraction form
    976,535.20/1,464,802.80 = 970,314.40/x
  3. Step 3: Cross multiply
    976,535.20x = 1,464,802.80 × 970,314.40
  4. Step 4: Simplify right side
    976,535.20x = 1,421,319,250,000.32
  5. Step 5: Solve for x
    x = 1,421,319,250,000.32/976,535.20
  6. Step 6: Final answer
    x = 1,455,471.60

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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.