Home / 585,970.18-879,043.01-212,080.66

Finding the Fourth Proportional to 585,970.18, 879,043.01 and 212,080.66

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Solution

The fourth proportional to 585,970.18, 879,043.01 and 212,080.66 is: 318,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,970.18 : 879,043.01 = 212,080.66 : x
  2. Step 2: Convert to fraction form
    585,970.18/879,043.01 = 212,080.66/x
  3. Step 3: Cross multiply
    585,970.18x = 879,043.01 × 212,080.66
  4. Step 4: Simplify right side
    585,970.18x = 186,428,018,471.18
  5. Step 5: Solve for x
    x = 186,428,018,471.18/585,970.18
  6. Step 6: Final answer
    x = 318,152.74

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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.