Home / 571,218.75-788,281.88-316,586.34

Finding the Fourth Proportional to 571,218.75, 788,281.88 and 316,586.34

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Solution

The fourth proportional to 571,218.75, 788,281.88 and 316,586.34 is: 436,889.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,218.75 : 788,281.88 = 316,586.34 : x
  2. Step 2: Convert to fraction form
    571,218.75/788,281.88 = 316,586.34/x
  3. Step 3: Cross multiply
    571,218.75x = 788,281.88 × 316,586.34
  4. Step 4: Simplify right side
    571,218.75x = 249,559,273,694.59
  5. Step 5: Solve for x
    x = 249,559,273,694.59/571,218.75
  6. Step 6: Final answer
    x = 436,889.15

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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.