Home / 476,307.15-657,281.41-258,510.88

Finding the Fourth Proportional to 476,307.15, 657,281.41 and 258,510.88

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Solution

The fourth proportional to 476,307.15, 657,281.41 and 258,510.88 is: 356,732.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,307.15 : 657,281.41 = 258,510.88 : x
  2. Step 2: Convert to fraction form
    476,307.15/657,281.41 = 258,510.88/x
  3. Step 3: Cross multiply
    476,307.15x = 657,281.41 × 258,510.88
  4. Step 4: Simplify right side
    476,307.15x = 169,914,395,706.74
  5. Step 5: Solve for x
    x = 169,914,395,706.74/476,307.15
  6. Step 6: Final answer
    x = 356,732.83

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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.