Home / 571,087.58-788,089.10-316,436.54

Finding the Fourth Proportional to 571,087.58, 788,089.10 and 316,436.54

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Solution

The fourth proportional to 571,087.58, 788,089.10 and 316,436.54 is: 436,675.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,087.58 : 788,089.10 = 316,436.54 : x
  2. Step 2: Convert to fraction form
    571,087.58/788,089.10 = 316,436.54/x
  3. Step 3: Cross multiply
    571,087.58x = 788,089.10 × 316,436.54
  4. Step 4: Simplify right side
    571,087.58x = 249,380,188,015.71
  5. Step 5: Solve for x
    x = 249,380,188,015.71/571,087.58
  6. Step 6: Final answer
    x = 436,675.91

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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.