Home / 974,249.60-1,461,374.40-620,830.40

Finding the Fourth Proportional to 974,249.60, 1,461,374.40 and 620,830.40

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Solution

The fourth proportional to 974,249.60, 1,461,374.40 and 620,830.40 is: 931,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,249.60 : 1,461,374.40 = 620,830.40 : x
  2. Step 2: Convert to fraction form
    974,249.60/1,461,374.40 = 620,830.40/x
  3. Step 3: Cross multiply
    974,249.60x = 1,461,374.40 × 620,830.40
  4. Step 4: Simplify right side
    974,249.60x = 907,265,653,301.76
  5. Step 5: Solve for x
    x = 907,265,653,301.76/974,249.60
  6. Step 6: Final answer
    x = 931,245.60

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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.