Home / 857,582.40-1,286,558.40-289,020.48

Finding the Fourth Proportional to 857,582.40, 1,286,558.40 and 289,020.48

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Solution

The fourth proportional to 857,582.40, 1,286,558.40 and 289,020.48 is: 433,593.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,582.40 : 1,286,558.40 = 289,020.48 : x
  2. Step 2: Convert to fraction form
    857,582.40/1,286,558.40 = 289,020.48/x
  3. Step 3: Cross multiply
    857,582.40x = 1,286,558.40 × 289,020.48
  4. Step 4: Simplify right side
    857,582.40x = 371,841,726,316.03
  5. Step 5: Solve for x
    x = 371,841,726,316.03/857,582.40
  6. Step 6: Final answer
    x = 433,593.00

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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.