Home / 915,962.46-1,374,068.43-316,762.80

Finding the Fourth Proportional to 915,962.46, 1,374,068.43 and 316,762.80

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Solution

The fourth proportional to 915,962.46, 1,374,068.43 and 316,762.80 is: 475,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,962.46 : 1,374,068.43 = 316,762.80 : x
  2. Step 2: Convert to fraction form
    915,962.46/1,374,068.43 = 316,762.80/x
  3. Step 3: Cross multiply
    915,962.46x = 1,374,068.43 × 316,762.80
  4. Step 4: Simplify right side
    915,962.46x = 435,253,763,278.40
  5. Step 5: Solve for x
    x = 435,253,763,278.40/915,962.46
  6. Step 6: Final answer
    x = 475,187.34

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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.