Home / 589,877.64-884,818.08-390,160.80

Finding the Fourth Proportional to 589,877.64, 884,818.08 and 390,160.80

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Solution

The fourth proportional to 589,877.64, 884,818.08 and 390,160.80 is: 585,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,877.64 : 884,818.08 = 390,160.80 : x
  2. Step 2: Convert to fraction form
    589,877.64/884,818.08 = 390,160.80/x
  3. Step 3: Cross multiply
    589,877.64x = 884,818.08 × 390,160.80
  4. Step 4: Simplify right side
    589,877.64x = 345,221,329,947.26
  5. Step 5: Solve for x
    x = 345,221,329,947.26/589,877.64
  6. Step 6: Final answer
    x = 585,242.27

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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.