Home / 651,435.80-977,121.30-335,924.60

Finding the Fourth Proportional to 651,435.80, 977,121.30 and 335,924.60

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Solution

The fourth proportional to 651,435.80, 977,121.30 and 335,924.60 is: 503,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,435.80 : 977,121.30 = 335,924.60 : x
  2. Step 2: Convert to fraction form
    651,435.80/977,121.30 = 335,924.60/x
  3. Step 3: Cross multiply
    651,435.80x = 977,121.30 × 335,924.60
  4. Step 4: Simplify right side
    651,435.80x = 328,239,081,853.98
  5. Step 5: Solve for x
    x = 328,239,081,853.98/651,435.80
  6. Step 6: Final answer
    x = 503,870.19

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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.