Home / 976,739.60-1,465,109.40-623,320.40

Finding the Fourth Proportional to 976,739.60, 1,465,109.40 and 623,320.40

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Solution

The fourth proportional to 976,739.60, 1,465,109.40 and 623,320.40 is: 934,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,739.60 : 1,465,109.40 = 623,320.40 : x
  2. Step 2: Convert to fraction form
    976,739.60/1,465,109.40 = 623,320.40/x
  3. Step 3: Cross multiply
    976,739.60x = 1,465,109.40 × 623,320.40
  4. Step 4: Simplify right side
    976,739.60x = 913,232,577,251.76
  5. Step 5: Solve for x
    x = 913,232,577,251.76/976,739.60
  6. Step 6: Final answer
    x = 934,980.60

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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.