Home / 484,430.24-668,135.04-314,719.04

Finding the Fourth Proportional to 484,430.24, 668,135.04 and 314,719.04

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Solution

The fourth proportional to 484,430.24, 668,135.04 and 314,719.04 is: 434,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,430.24 : 668,135.04 = 314,719.04 : x
  2. Step 2: Convert to fraction form
    484,430.24/668,135.04 = 314,719.04/x
  3. Step 3: Cross multiply
    484,430.24x = 668,135.04 × 314,719.04
  4. Step 4: Simplify right side
    484,430.24x = 210,274,818,379.16
  5. Step 5: Solve for x
    x = 210,274,818,379.16/484,430.24
  6. Step 6: Final answer
    x = 434,066.25

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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.