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Finding the Fourth Proportional to 610,708.07, 916,124.95 and 211,348.24

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Solution

The fourth proportional to 610,708.07, 916,124.95 and 211,348.24 is: 317,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,708.07 : 916,124.95 = 211,348.24 : x
  2. Step 2: Convert to fraction form
    610,708.07/916,124.95 = 211,348.24/x
  3. Step 3: Cross multiply
    610,708.07x = 916,124.95 × 211,348.24
  4. Step 4: Simplify right side
    610,708.07x = 193,621,393,776.46
  5. Step 5: Solve for x
    x = 193,621,393,776.46/610,708.07
  6. Step 6: Final answer
    x = 317,044.10

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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.