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Finding the Fourth Proportional to 585,213.39, 807,594.48 and 316,941.39

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Solution

The fourth proportional to 585,213.39, 807,594.48 and 316,941.39 is: 437,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,213.39 : 807,594.48 = 316,941.39 : x
  2. Step 2: Convert to fraction form
    585,213.39/807,594.48 = 316,941.39/x
  3. Step 3: Cross multiply
    585,213.39x = 807,594.48 × 316,941.39
  4. Step 4: Simplify right side
    585,213.39x = 255,960,117,047.53
  5. Step 5: Solve for x
    x = 255,960,117,047.53/585,213.39
  6. Step 6: Final answer
    x = 437,379.12

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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.