Home / 869,364.60-1,301,282.10-620,532.60

Finding the Fourth Proportional to 869,364.60, 1,301,282.10 and 620,532.60

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Solution

The fourth proportional to 869,364.60, 1,301,282.10 and 620,532.60 is: 928,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,364.60 : 1,301,282.10 = 620,532.60 : x
  2. Step 2: Convert to fraction form
    869,364.60/1,301,282.10 = 620,532.60/x
  3. Step 3: Cross multiply
    869,364.60x = 1,301,282.10 × 620,532.60
  4. Step 4: Simplify right side
    869,364.60x = 807,487,964,846.46
  5. Step 5: Solve for x
    x = 807,487,964,846.46/869,364.60
  6. Step 6: Final answer
    x = 928,825.45

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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.