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Finding the Fourth Proportional to 660,880.24, 912,059.84 and 374,402.68

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Solution

The fourth proportional to 660,880.24, 912,059.84 and 374,402.68 is: 516,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,880.24 : 912,059.84 = 374,402.68 : x
  2. Step 2: Convert to fraction form
    660,880.24/912,059.84 = 374,402.68/x
  3. Step 3: Cross multiply
    660,880.24x = 912,059.84 × 374,402.68
  4. Step 4: Simplify right side
    660,880.24x = 341,477,648,416.37
  5. Step 5: Solve for x
    x = 341,477,648,416.37/660,880.24
  6. Step 6: Final answer
    x = 516,701.25

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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.