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Finding the Fourth Proportional to 440,301, 607,532.06 and 417,878.79

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Solution

The fourth proportional to 440,301, 607,532.06 and 417,878.79 is: 576,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,301 : 607,532.06 = 417,878.79 : x
  2. Step 2: Convert to fraction form
    440,301/607,532.06 = 417,878.79/x
  3. Step 3: Cross multiply
    440,301x = 607,532.06 × 417,878.79
  4. Step 4: Simplify right side
    440,301x = 253,874,762,119.01
  5. Step 5: Solve for x
    x = 253,874,762,119.01/440,301
  6. Step 6: Final answer
    x = 576,593.65

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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.