Home / 857,044.53-1,285,585.02-288,442.89

Finding the Fourth Proportional to 857,044.53, 1,285,585.02 and 288,442.89

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Solution

The fourth proportional to 857,044.53, 1,285,585.02 and 288,442.89 is: 432,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,044.53 : 1,285,585.02 = 288,442.89 : x
  2. Step 2: Convert to fraction form
    857,044.53/1,285,585.02 = 288,442.89/x
  3. Step 3: Cross multiply
    857,044.53x = 1,285,585.02 × 288,442.89
  4. Step 4: Simplify right side
    857,044.53x = 370,817,858,509.51
  5. Step 5: Solve for x
    x = 370,817,858,509.51/857,044.53
  6. Step 6: Final answer
    x = 432,670.47

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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.