Home / 684,307.44-944,261.85-378,342.50

Finding the Fourth Proportional to 684,307.44, 944,261.85 and 378,342.50

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Solution

The fourth proportional to 684,307.44, 944,261.85 and 378,342.50 is: 522,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,307.44 : 944,261.85 = 378,342.50 : x
  2. Step 2: Convert to fraction form
    684,307.44/944,261.85 = 378,342.50/x
  3. Step 3: Cross multiply
    684,307.44x = 944,261.85 × 378,342.50
  4. Step 4: Simplify right side
    684,307.44x = 357,254,385,681.10
  5. Step 5: Solve for x
    x = 357,254,385,681.10/684,307.44
  6. Step 6: Final answer
    x = 522,067.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.