Home / 857,061.61-1,182,665.51-475,055.89

Finding the Fourth Proportional to 857,061.61, 1,182,665.51 and 475,055.89

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Solution

The fourth proportional to 857,061.61, 1,182,665.51 and 475,055.89 is: 655,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,061.61 : 1,182,665.51 = 475,055.89 : x
  2. Step 2: Convert to fraction form
    857,061.61/1,182,665.51 = 475,055.89/x
  3. Step 3: Cross multiply
    857,061.61x = 1,182,665.51 × 475,055.89
  4. Step 4: Simplify right side
    857,061.61x = 561,832,212,874.87
  5. Step 5: Solve for x
    x = 561,832,212,874.87/857,061.61
  6. Step 6: Final answer
    x = 655,533.05

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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.