Home / 849,675.56-1,172,415.06-487,032.68

Finding the Fourth Proportional to 849,675.56, 1,172,415.06 and 487,032.68

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Solution

The fourth proportional to 849,675.56, 1,172,415.06 and 487,032.68 is: 672,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,675.56 : 1,172,415.06 = 487,032.68 : x
  2. Step 2: Convert to fraction form
    849,675.56/1,172,415.06 = 487,032.68/x
  3. Step 3: Cross multiply
    849,675.56x = 1,172,415.06 × 487,032.68
  4. Step 4: Simplify right side
    849,675.56x = 571,004,448,744.16
  5. Step 5: Solve for x
    x = 571,004,448,744.16/849,675.56
  6. Step 6: Final answer
    x = 672,026.45

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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.