Home / 849,672.56-1,172,410.93-487,029.69

Finding the Fourth Proportional to 849,672.56, 1,172,410.93 and 487,029.69

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Solution

The fourth proportional to 849,672.56, 1,172,410.93 and 487,029.69 is: 672,022.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,672.56 : 1,172,410.93 = 487,029.69 : x
  2. Step 2: Convert to fraction form
    849,672.56/1,172,410.93 = 487,029.69/x
  3. Step 3: Cross multiply
    849,672.56x = 1,172,410.93 × 487,029.69
  4. Step 4: Simplify right side
    849,672.56x = 570,998,931,790.51
  5. Step 5: Solve for x
    x = 570,998,931,790.51/849,672.56
  6. Step 6: Final answer
    x = 672,022.33

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1.5x scale

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.