Home / 588,307.57-811,830.32-330,160.41

Finding the Fourth Proportional to 588,307.57, 811,830.32 and 330,160.41

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Solution

The fourth proportional to 588,307.57, 811,830.32 and 330,160.41 is: 455,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,307.57 : 811,830.32 = 330,160.41 : x
  2. Step 2: Convert to fraction form
    588,307.57/811,830.32 = 330,160.41/x
  3. Step 3: Cross multiply
    588,307.57x = 811,830.32 × 330,160.41
  4. Step 4: Simplify right side
    588,307.57x = 268,034,231,817.51
  5. Step 5: Solve for x
    x = 268,034,231,817.51/588,307.57
  6. Step 6: Final answer
    x = 455,602.21

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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.