Home / 907,705.08-1,252,633.14-499,808.52

Finding the Fourth Proportional to 907,705.08, 1,252,633.14 and 499,808.52

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Solution

The fourth proportional to 907,705.08, 1,252,633.14 and 499,808.52 is: 689,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,705.08 : 1,252,633.14 = 499,808.52 : x
  2. Step 2: Convert to fraction form
    907,705.08/1,252,633.14 = 499,808.52/x
  3. Step 3: Cross multiply
    907,705.08x = 1,252,633.14 × 499,808.52
  4. Step 4: Simplify right side
    907,705.08x = 626,076,715,806.35
  5. Step 5: Solve for x
    x = 626,076,715,806.35/907,705.08
  6. Step 6: Final answer
    x = 689,735.83

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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.