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Finding the Fourth Proportional to 608,936.64, 912,222.88 and 448,721.76

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Solution

The fourth proportional to 608,936.64, 912,222.88 and 448,721.76 is: 672,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,936.64 : 912,222.88 = 448,721.76 : x
  2. Step 2: Convert to fraction form
    608,936.64/912,222.88 = 448,721.76/x
  3. Step 3: Cross multiply
    608,936.64x = 912,222.88 × 448,721.76
  4. Step 4: Simplify right side
    608,936.64x = 409,334,256,225.87
  5. Step 5: Solve for x
    x = 409,334,256,225.87/608,936.64
  6. Step 6: Final answer
    x = 672,211.57

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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.