Home / 976,543.20-1,464,814.80-970,322.40

Finding the Fourth Proportional to 976,543.20, 1,464,814.80 and 970,322.40

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Solution

The fourth proportional to 976,543.20, 1,464,814.80 and 970,322.40 is: 1,455,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,543.20 : 1,464,814.80 = 970,322.40 : x
  2. Step 2: Convert to fraction form
    976,543.20/1,464,814.80 = 970,322.40/x
  3. Step 3: Cross multiply
    976,543.20x = 1,464,814.80 × 970,322.40
  4. Step 4: Simplify right side
    976,543.20x = 1,421,342,612,291.52
  5. Step 5: Solve for x
    x = 1,421,342,612,291.52/976,543.20
  6. Step 6: Final answer
    x = 1,455,483.60

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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.