Home / 858,969.02-1,288,124.93-282,458.00

Finding the Fourth Proportional to 858,969.02, 1,288,124.93 and 282,458.00

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Solution

The fourth proportional to 858,969.02, 1,288,124.93 and 282,458.00 is: 423,578.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,969.02 : 1,288,124.93 = 282,458.00 : x
  2. Step 2: Convert to fraction form
    858,969.02/1,288,124.93 = 282,458.00/x
  3. Step 3: Cross multiply
    858,969.02x = 1,288,124.93 × 282,458.00
  4. Step 4: Simplify right side
    858,969.02x = 363,841,183,625.03
  5. Step 5: Solve for x
    x = 363,841,183,625.03/858,969.02
  6. Step 6: Final answer
    x = 423,578.94

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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.