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Finding the Fourth Proportional to 584,913.13, 877,369.69 and 210,936.13

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Solution

The fourth proportional to 584,913.13, 877,369.69 and 210,936.13 is: 316,404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,913.13 : 877,369.69 = 210,936.13 : x
  2. Step 2: Convert to fraction form
    584,913.13/877,369.69 = 210,936.13/x
  3. Step 3: Cross multiply
    584,913.13x = 877,369.69 × 210,936.13
  4. Step 4: Simplify right side
    584,913.13x = 185,068,966,987.90
  5. Step 5: Solve for x
    x = 185,068,966,987.90/584,913.13
  6. Step 6: Final answer
    x = 316,404.19

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Double scale
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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.