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Finding the Fourth Proportional to 532,106.68, 734,322.66 and 290,404.76

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Solution

The fourth proportional to 532,106.68, 734,322.66 and 290,404.76 is: 400,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,106.68 : 734,322.66 = 290,404.76 : x
  2. Step 2: Convert to fraction form
    532,106.68/734,322.66 = 290,404.76/x
  3. Step 3: Cross multiply
    532,106.68x = 734,322.66 × 290,404.76
  4. Step 4: Simplify right side
    532,106.68x = 213,250,795,839.86
  5. Step 5: Solve for x
    x = 213,250,795,839.86/532,106.68
  6. Step 6: Final answer
    x = 400,767.00

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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.