Home / 571,219.75-788,283.26-316,587.34

Finding the Fourth Proportional to 571,219.75, 788,283.26 and 316,587.34

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Solution

The fourth proportional to 571,219.75, 788,283.26 and 316,587.34 is: 436,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,219.75 : 788,283.26 = 316,587.34 : x
  2. Step 2: Convert to fraction form
    571,219.75/788,283.26 = 316,587.34/x
  3. Step 3: Cross multiply
    571,219.75x = 788,283.26 × 316,587.34
  4. Step 4: Simplify right side
    571,219.75x = 249,560,500,449.93
  5. Step 5: Solve for x
    x = 249,560,500,449.93/571,219.75
  6. Step 6: Final answer
    x = 436,890.53

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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.