Home / 730,053.90-1,007,463.69-407,768.67

Finding the Fourth Proportional to 730,053.90, 1,007,463.69 and 407,768.67

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Solution

The fourth proportional to 730,053.90, 1,007,463.69 and 407,768.67 is: 562,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,053.90 : 1,007,463.69 = 407,768.67 : x
  2. Step 2: Convert to fraction form
    730,053.90/1,007,463.69 = 407,768.67/x
  3. Step 3: Cross multiply
    730,053.90x = 1,007,463.69 × 407,768.67
  4. Step 4: Simplify right side
    730,053.90x = 410,812,128,944.59
  5. Step 5: Solve for x
    x = 410,812,128,944.59/730,053.90
  6. Step 6: Final answer
    x = 562,714.79

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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.