Home / 730,767.89-1,008,460.87-408,477.67

Finding the Fourth Proportional to 730,767.89, 1,008,460.87 and 408,477.67

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Solution

The fourth proportional to 730,767.89, 1,008,460.87 and 408,477.67 is: 563,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,767.89 : 1,008,460.87 = 408,477.67 : x
  2. Step 2: Convert to fraction form
    730,767.89/1,008,460.87 = 408,477.67/x
  3. Step 3: Cross multiply
    730,767.89x = 1,008,460.87 × 408,477.67
  4. Step 4: Simplify right side
    730,767.89x = 411,933,742,921.43
  5. Step 5: Solve for x
    x = 411,933,742,921.43/730,767.89
  6. Step 6: Final answer
    x = 563,699.84

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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.