Home / 877,151.08-1,210,135-550,325.60

Finding the Fourth Proportional to 877,151.08, 1,210,135 and 550,325.60

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Solution

The fourth proportional to 877,151.08, 1,210,135 and 550,325.60 is: 759,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,151.08 : 1,210,135 = 550,325.60 : x
  2. Step 2: Convert to fraction form
    877,151.08/1,210,135 = 550,325.60/x
  3. Step 3: Cross multiply
    877,151.08x = 1,210,135 × 550,325.60
  4. Step 4: Simplify right side
    877,151.08x = 665,968,269,956
  5. Step 5: Solve for x
    x = 665,968,269,956/877,151.08
  6. Step 6: Final answer
    x = 759,240.10

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Double scale
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1.5x scale

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.