Home / 943,374.26-1,415,159.55-260,261.15

Finding the Fourth Proportional to 943,374.26, 1,415,159.55 and 260,261.15

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Solution

The fourth proportional to 943,374.26, 1,415,159.55 and 260,261.15 is: 390,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,374.26 : 1,415,159.55 = 260,261.15 : x
  2. Step 2: Convert to fraction form
    943,374.26/1,415,159.55 = 260,261.15/x
  3. Step 3: Cross multiply
    943,374.26x = 1,415,159.55 × 260,261.15
  4. Step 4: Simplify right side
    943,374.26x = 368,311,044,840.69
  5. Step 5: Solve for x
    x = 368,311,044,840.69/943,374.26
  6. Step 6: Final answer
    x = 390,418.80

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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.