Home / 571,953.08-788,967.32-356,719.47

Finding the Fourth Proportional to 571,953.08, 788,967.32 and 356,719.47

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Solution

The fourth proportional to 571,953.08, 788,967.32 and 356,719.47 is: 492,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,953.08 : 788,967.32 = 356,719.47 : x
  2. Step 2: Convert to fraction form
    571,953.08/788,967.32 = 356,719.47/x
  3. Step 3: Cross multiply
    571,953.08x = 788,967.32 × 356,719.47
  4. Step 4: Simplify right side
    571,953.08x = 281,440,002,454.12
  5. Step 5: Solve for x
    x = 281,440,002,454.12/571,953.08
  6. Step 6: Final answer
    x = 492,068.34

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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.