Home / 642,835.26-964,283.65-530,306.82

Finding the Fourth Proportional to 642,835.26, 964,283.65 and 530,306.82

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Solution

The fourth proportional to 642,835.26, 964,283.65 and 530,306.82 is: 795,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,835.26 : 964,283.65 = 530,306.82 : x
  2. Step 2: Convert to fraction form
    642,835.26/964,283.65 = 530,306.82/x
  3. Step 3: Cross multiply
    642,835.26x = 964,283.65 × 530,306.82
  4. Step 4: Simplify right side
    642,835.26x = 511,366,196,009.49
  5. Step 5: Solve for x
    x = 511,366,196,009.49/642,835.26
  6. Step 6: Final answer
    x = 795,485.61

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1.5x scale

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.