Home / 865,201.60-1,297,802.40-510,907.60

Finding the Fourth Proportional to 865,201.60, 1,297,802.40 and 510,907.60

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Solution

The fourth proportional to 865,201.60, 1,297,802.40 and 510,907.60 is: 766,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,201.60 : 1,297,802.40 = 510,907.60 : x
  2. Step 2: Convert to fraction form
    865,201.60/1,297,802.40 = 510,907.60/x
  3. Step 3: Cross multiply
    865,201.60x = 1,297,802.40 × 510,907.60
  4. Step 4: Simplify right side
    865,201.60x = 663,057,109,458.24
  5. Step 5: Solve for x
    x = 663,057,109,458.24/865,201.60
  6. Step 6: Final answer
    x = 766,361.40

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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.