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Finding the Fourth Proportional to 660,013.04, 910,818.41 and 358,207.04

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Solution

The fourth proportional to 660,013.04, 910,818.41 and 358,207.04 is: 494,325.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,013.04 : 910,818.41 = 358,207.04 : x
  2. Step 2: Convert to fraction form
    660,013.04/910,818.41 = 358,207.04/x
  3. Step 3: Cross multiply
    660,013.04x = 910,818.41 × 358,207.04
  4. Step 4: Simplify right side
    660,013.04x = 326,261,567,109.62
  5. Step 5: Solve for x
    x = 326,261,567,109.62/660,013.04
  6. Step 6: Final answer
    x = 494,325.94

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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.