Home / 780,002.60-1,170,003.90-464,815.40

Finding the Fourth Proportional to 780,002.60, 1,170,003.90 and 464,815.40

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Solution

The fourth proportional to 780,002.60, 1,170,003.90 and 464,815.40 is: 697,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,002.60 : 1,170,003.90 = 464,815.40 : x
  2. Step 2: Convert to fraction form
    780,002.60/1,170,003.90 = 464,815.40/x
  3. Step 3: Cross multiply
    780,002.60x = 1,170,003.90 × 464,815.40
  4. Step 4: Simplify right side
    780,002.60x = 543,835,830,780.06
  5. Step 5: Solve for x
    x = 543,835,830,780.06/780,002.60
  6. Step 6: Final answer
    x = 697,223.10

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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.