Home / 964,739.15-1,331,252.79-535,017.95

Finding the Fourth Proportional to 964,739.15, 1,331,252.79 and 535,017.95

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Solution

The fourth proportional to 964,739.15, 1,331,252.79 and 535,017.95 is: 738,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,739.15 : 1,331,252.79 = 535,017.95 : x
  2. Step 2: Convert to fraction form
    964,739.15/1,331,252.79 = 535,017.95/x
  3. Step 3: Cross multiply
    964,739.15x = 1,331,252.79 × 535,017.95
  4. Step 4: Simplify right side
    964,739.15x = 712,244,138,637.58
  5. Step 5: Solve for x
    x = 712,244,138,637.58/964,739.15
  6. Step 6: Final answer
    x = 738,276.39

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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.