Home / 887,928.80-1,330,362.30-413,641.40

Finding the Fourth Proportional to 887,928.80, 1,330,362.30 and 413,641.40

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Solution

The fourth proportional to 887,928.80, 1,330,362.30 and 413,641.40 is: 619,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,928.80 : 1,330,362.30 = 413,641.40 : x
  2. Step 2: Convert to fraction form
    887,928.80/1,330,362.30 = 413,641.40/x
  3. Step 3: Cross multiply
    887,928.80x = 1,330,362.30 × 413,641.40
  4. Step 4: Simplify right side
    887,928.80x = 550,292,924,279.22
  5. Step 5: Solve for x
    x = 550,292,924,279.22/887,928.80
  6. Step 6: Final answer
    x = 619,748.93

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1.5x scale

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.