Home / 730,962.70-1,008,460.83-440,638.45

Finding the Fourth Proportional to 730,962.70, 1,008,460.83 and 440,638.45

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Solution

The fourth proportional to 730,962.70, 1,008,460.83 and 440,638.45 is: 607,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,962.70 : 1,008,460.83 = 440,638.45 : x
  2. Step 2: Convert to fraction form
    730,962.70/1,008,460.83 = 440,638.45/x
  3. Step 3: Cross multiply
    730,962.70x = 1,008,460.83 × 440,638.45
  4. Step 4: Simplify right side
    730,962.70x = 444,366,616,148.16
  5. Step 5: Solve for x
    x = 444,366,616,148.16/730,962.70
  6. Step 6: Final answer
    x = 607,919.69

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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.