Home / 1,010,352.80-1,515,516.24-290,712.08

Finding the Fourth Proportional to 1,010,352.80, 1,515,516.24 and 290,712.08

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Solution

The fourth proportional to 1,010,352.80, 1,515,516.24 and 290,712.08 is: 436,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,352.80 : 1,515,516.24 = 290,712.08 : x
  2. Step 2: Convert to fraction form
    1,010,352.80/1,515,516.24 = 290,712.08/x
  3. Step 3: Cross multiply
    1,010,352.80x = 1,515,516.24 × 290,712.08
  4. Step 4: Simplify right side
    1,010,352.80x = 440,578,878,404.18
  5. Step 5: Solve for x
    x = 440,578,878,404.18/1,010,352.80
  6. Step 6: Final answer
    x = 436,064.39

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Double scale
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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.