Home / 526,839.72-789,461.32-348,708.57

Finding the Fourth Proportional to 526,839.72, 789,461.32 and 348,708.57

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Solution

The fourth proportional to 526,839.72, 789,461.32 and 348,708.57 is: 522,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,839.72 : 789,461.32 = 348,708.57 : x
  2. Step 2: Convert to fraction form
    526,839.72/789,461.32 = 348,708.57/x
  3. Step 3: Cross multiply
    526,839.72x = 789,461.32 × 348,708.57
  4. Step 4: Simplify right side
    526,839.72x = 275,291,927,967.51
  5. Step 5: Solve for x
    x = 275,291,927,967.51/526,839.72
  6. Step 6: Final answer
    x = 522,534.50

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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.