Home / 670,176.36-1,003,821.66-314,657.64

Finding the Fourth Proportional to 670,176.36, 1,003,821.66 and 314,657.64

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Solution

The fourth proportional to 670,176.36, 1,003,821.66 and 314,657.64 is: 471,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,176.36 : 1,003,821.66 = 314,657.64 : x
  2. Step 2: Convert to fraction form
    670,176.36/1,003,821.66 = 314,657.64/x
  3. Step 3: Cross multiply
    670,176.36x = 1,003,821.66 × 314,657.64
  4. Step 4: Simplify right side
    670,176.36x = 315,860,154,516.48
  5. Step 5: Solve for x
    x = 315,860,154,516.48/670,176.36
  6. Step 6: Final answer
    x = 471,309.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.