Home / 858,600.63-1,287,627.45-282,090.06

Finding the Fourth Proportional to 858,600.63, 1,287,627.45 and 282,090.06

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Solution

The fourth proportional to 858,600.63, 1,287,627.45 and 282,090.06 is: 423,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,600.63 : 1,287,627.45 = 282,090.06 : x
  2. Step 2: Convert to fraction form
    858,600.63/1,287,627.45 = 282,090.06/x
  3. Step 3: Cross multiply
    858,600.63x = 1,287,627.45 × 282,090.06
  4. Step 4: Simplify right side
    858,600.63x = 363,226,904,628.15
  5. Step 5: Solve for x
    x = 363,226,904,628.15/858,600.63
  6. Step 6: Final answer
    x = 423,045.23

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1.5x scale

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.