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Finding the Fourth Proportional to 571,088.88, 788,107.32 and 316,444.32

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Solution

The fourth proportional to 571,088.88, 788,107.32 and 316,444.32 is: 436,695.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,088.88 : 788,107.32 = 316,444.32 : x
  2. Step 2: Convert to fraction form
    571,088.88/788,107.32 = 316,444.32/x
  3. Step 3: Cross multiply
    571,088.88x = 788,107.32 × 316,444.32
  4. Step 4: Simplify right side
    571,088.88x = 249,392,084,964.42
  5. Step 5: Solve for x
    x = 249,392,084,964.42/571,088.88
  6. Step 6: Final answer
    x = 436,695.75

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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.