Home / 649,331.10-895,496.72-407,636.15

Finding the Fourth Proportional to 649,331.10, 895,496.72 and 407,636.15

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Solution

The fourth proportional to 649,331.10, 895,496.72 and 407,636.15 is: 562,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,331.10 : 895,496.72 = 407,636.15 : x
  2. Step 2: Convert to fraction form
    649,331.10/895,496.72 = 407,636.15/x
  3. Step 3: Cross multiply
    649,331.10x = 895,496.72 × 407,636.15
  4. Step 4: Simplify right side
    649,331.10x = 365,036,828,762.76
  5. Step 5: Solve for x
    x = 365,036,828,762.76/649,331.10
  6. Step 6: Final answer
    x = 562,173.64

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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.