Home / 915,925.58-1,373,362.71-346,943.78

Finding the Fourth Proportional to 915,925.58, 1,373,362.71 and 346,943.78

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Solution

The fourth proportional to 915,925.58, 1,373,362.71 and 346,943.78 is: 520,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,925.58 : 1,373,362.71 = 346,943.78 : x
  2. Step 2: Convert to fraction form
    915,925.58/1,373,362.71 = 346,943.78/x
  3. Step 3: Cross multiply
    915,925.58x = 1,373,362.71 × 346,943.78
  4. Step 4: Simplify right side
    915,925.58x = 476,479,643,051.63
  5. Step 5: Solve for x
    x = 476,479,643,051.63/915,925.58
  6. Step 6: Final answer
    x = 520,216.55

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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.