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Finding the Fourth Proportional to 680,013.60, 1,020,020.40 and 601,281.60

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Solution

The fourth proportional to 680,013.60, 1,020,020.40 and 601,281.60 is: 901,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,013.60 : 1,020,020.40 = 601,281.60 : x
  2. Step 2: Convert to fraction form
    680,013.60/1,020,020.40 = 601,281.60/x
  3. Step 3: Cross multiply
    680,013.60x = 1,020,020.40 × 601,281.60
  4. Step 4: Simplify right side
    680,013.60x = 613,319,498,144.64
  5. Step 5: Solve for x
    x = 613,319,498,144.64/680,013.60
  6. Step 6: Final answer
    x = 901,922.40

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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.