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Finding the Fourth Proportional to 660,006.29, 910,809.06 and 358,200.29

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Solution

The fourth proportional to 660,006.29, 910,809.06 and 358,200.29 is: 494,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,006.29 : 910,809.06 = 358,200.29 : x
  2. Step 2: Convert to fraction form
    660,006.29/910,809.06 = 358,200.29/x
  3. Step 3: Cross multiply
    660,006.29x = 910,809.06 × 358,200.29
  4. Step 4: Simplify right side
    660,006.29x = 326,252,070,360.40
  5. Step 5: Solve for x
    x = 326,252,070,360.40/660,006.29
  6. Step 6: Final answer
    x = 494,316.61

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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.