Home / 875,227.40-1,310,216.70-520,058.60

Finding the Fourth Proportional to 875,227.40, 1,310,216.70 and 520,058.60

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Solution

The fourth proportional to 875,227.40, 1,310,216.70 and 520,058.60 is: 778,528.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,227.40 : 1,310,216.70 = 520,058.60 : x
  2. Step 2: Convert to fraction form
    875,227.40/1,310,216.70 = 520,058.60/x
  3. Step 3: Cross multiply
    875,227.40x = 1,310,216.70 × 520,058.60
  4. Step 4: Simplify right side
    875,227.40x = 681,389,462,698.62
  5. Step 5: Solve for x
    x = 681,389,462,698.62/875,227.40
  6. Step 6: Final answer
    x = 778,528.49

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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.