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Finding the Fourth Proportional to 688,366.86, 949,615.14 and 446,725.23

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Solution

The fourth proportional to 688,366.86, 949,615.14 and 446,725.23 is: 616,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,366.86 : 949,615.14 = 446,725.23 : x
  2. Step 2: Convert to fraction form
    688,366.86/949,615.14 = 446,725.23/x
  3. Step 3: Cross multiply
    688,366.86x = 949,615.14 × 446,725.23
  4. Step 4: Simplify right side
    688,366.86x = 424,217,041,827.98
  5. Step 5: Solve for x
    x = 424,217,041,827.98/688,366.86
  6. Step 6: Final answer
    x = 616,265.93

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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.