Home / 893,642.80-1,340,464.20-539,748.40

Finding the Fourth Proportional to 893,642.80, 1,340,464.20 and 539,748.40

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Solution

The fourth proportional to 893,642.80, 1,340,464.20 and 539,748.40 is: 809,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,642.80 : 1,340,464.20 = 539,748.40 : x
  2. Step 2: Convert to fraction form
    893,642.80/1,340,464.20 = 539,748.40/x
  3. Step 3: Cross multiply
    893,642.80x = 1,340,464.20 × 539,748.40
  4. Step 4: Simplify right side
    893,642.80x = 723,513,407,207.28
  5. Step 5: Solve for x
    x = 723,513,407,207.28/893,642.80
  6. Step 6: Final answer
    x = 809,622.60

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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.