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Finding the Fourth Proportional to 584,815.16, 807,051.60 and 343,101.92

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Solution

The fourth proportional to 584,815.16, 807,051.60 and 343,101.92 is: 473,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,815.16 : 807,051.60 = 343,101.92 : x
  2. Step 2: Convert to fraction form
    584,815.16/807,051.60 = 343,101.92/x
  3. Step 3: Cross multiply
    584,815.16x = 807,051.60 × 343,101.92
  4. Step 4: Simplify right side
    584,815.16x = 276,900,953,499.07
  5. Step 5: Solve for x
    x = 276,900,953,499.07/584,815.16
  6. Step 6: Final answer
    x = 473,484.57

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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.