Home / 952,415.86-1,428,841.98-412,762.72

Finding the Fourth Proportional to 952,415.86, 1,428,841.98 and 412,762.72

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Solution

The fourth proportional to 952,415.86, 1,428,841.98 and 412,762.72 is: 619,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,415.86 : 1,428,841.98 = 412,762.72 : x
  2. Step 2: Convert to fraction form
    952,415.86/1,428,841.98 = 412,762.72/x
  3. Step 3: Cross multiply
    952,415.86x = 1,428,841.98 × 412,762.72
  4. Step 4: Simplify right side
    952,415.86x = 589,772,702,114.99
  5. Step 5: Solve for x
    x = 589,772,702,114.99/952,415.86
  6. Step 6: Final answer
    x = 619,238.64

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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.