Home / 487,922.40-730,899.45-277,314.30

Finding the Fourth Proportional to 487,922.40, 730,899.45 and 277,314.30

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Solution

The fourth proportional to 487,922.40, 730,899.45 and 277,314.30 is: 415,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,922.40 : 730,899.45 = 277,314.30 : x
  2. Step 2: Convert to fraction form
    487,922.40/730,899.45 = 277,314.30/x
  3. Step 3: Cross multiply
    487,922.40x = 730,899.45 × 277,314.30
  4. Step 4: Simplify right side
    487,922.40x = 202,688,869,347.14
  5. Step 5: Solve for x
    x = 202,688,869,347.14/487,922.40
  6. Step 6: Final answer
    x = 415,412.10

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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.