Home / 767,036.89-1,150,448.59-407,050.21

Finding the Fourth Proportional to 767,036.89, 1,150,448.59 and 407,050.21

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Solution

The fourth proportional to 767,036.89, 1,150,448.59 and 407,050.21 is: 610,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,036.89 : 1,150,448.59 = 407,050.21 : x
  2. Step 2: Convert to fraction form
    767,036.89/1,150,448.59 = 407,050.21/x
  3. Step 3: Cross multiply
    767,036.89x = 1,150,448.59 × 407,050.21
  4. Step 4: Simplify right side
    767,036.89x = 468,290,340,153.70
  5. Step 5: Solve for x
    x = 468,290,340,153.70/767,036.89
  6. Step 6: Final answer
    x = 610,518.67

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Double scale
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Similar ratio
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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.