Home / 712,783.51-1,069,334.82-239,455.96

Finding the Fourth Proportional to 712,783.51, 1,069,334.82 and 239,455.96

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Solution

The fourth proportional to 712,783.51, 1,069,334.82 and 239,455.96 is: 359,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,783.51 : 1,069,334.82 = 239,455.96 : x
  2. Step 2: Convert to fraction form
    712,783.51/1,069,334.82 = 239,455.96/x
  3. Step 3: Cross multiply
    712,783.51x = 1,069,334.82 × 239,455.96
  4. Step 4: Simplify right side
    712,783.51x = 256,058,593,211.19
  5. Step 5: Solve for x
    x = 256,058,593,211.19/712,783.51
  6. Step 6: Final answer
    x = 359,237.54

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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.