Home / 571,217.57-788,280.25-316,585.16

Finding the Fourth Proportional to 571,217.57, 788,280.25 and 316,585.16

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Solution

The fourth proportional to 571,217.57, 788,280.25 and 316,585.16 is: 436,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,217.57 : 788,280.25 = 316,585.16 : x
  2. Step 2: Convert to fraction form
    571,217.57/788,280.25 = 316,585.16/x
  3. Step 3: Cross multiply
    571,217.57x = 788,280.25 × 316,585.16
  4. Step 4: Simplify right side
    571,217.57x = 249,557,829,071.09
  5. Step 5: Solve for x
    x = 249,557,829,071.09/571,217.57
  6. Step 6: Final answer
    x = 436,887.52

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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.