Home / 780,001.60-1,170,002.40-464,814.40

Finding the Fourth Proportional to 780,001.60, 1,170,002.40 and 464,814.40

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Solution

The fourth proportional to 780,001.60, 1,170,002.40 and 464,814.40 is: 697,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,001.60 : 1,170,002.40 = 464,814.40 : x
  2. Step 2: Convert to fraction form
    780,001.60/1,170,002.40 = 464,814.40/x
  3. Step 3: Cross multiply
    780,001.60x = 1,170,002.40 × 464,814.40
  4. Step 4: Simplify right side
    780,001.60x = 543,833,963,554.56
  5. Step 5: Solve for x
    x = 543,833,963,554.56/780,001.60
  6. Step 6: Final answer
    x = 697,221.60

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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.