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Finding the Fourth Proportional to 570,276.70, 787,006.66 and 315,627.82

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Solution

The fourth proportional to 570,276.70, 787,006.66 and 315,627.82 is: 435,580.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,276.70 : 787,006.66 = 315,627.82 : x
  2. Step 2: Convert to fraction form
    570,276.70/787,006.66 = 315,627.82/x
  3. Step 3: Cross multiply
    570,276.70x = 787,006.66 × 315,627.82
  4. Step 4: Simplify right side
    570,276.70x = 248,401,196,421.28
  5. Step 5: Solve for x
    x = 248,401,196,421.28/570,276.70
  6. Step 6: Final answer
    x = 435,580.13

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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.