Home / 730,000.45-1,007,301.09-407,669.46

Finding the Fourth Proportional to 730,000.45, 1,007,301.09 and 407,669.46

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Solution

The fourth proportional to 730,000.45, 1,007,301.09 and 407,669.46 is: 562,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,000.45 : 1,007,301.09 = 407,669.46 : x
  2. Step 2: Convert to fraction form
    730,000.45/1,007,301.09 = 407,669.46/x
  3. Step 3: Cross multiply
    730,000.45x = 1,007,301.09 × 407,669.46
  4. Step 4: Simplify right side
    730,000.45x = 410,645,891,417.71
  5. Step 5: Solve for x
    x = 410,645,891,417.71/730,000.45
  6. Step 6: Final answer
    x = 562,528.27

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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.