Home / 571,516.02-788,736.69-316,916.82

Finding the Fourth Proportional to 571,516.02, 788,736.69 and 316,916.82

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Solution

The fourth proportional to 571,516.02, 788,736.69 and 316,916.82 is: 437,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,516.02 : 788,736.69 = 316,916.82 : x
  2. Step 2: Convert to fraction form
    571,516.02/788,736.69 = 316,916.82/x
  3. Step 3: Cross multiply
    571,516.02x = 788,736.69 × 316,916.82
  4. Step 4: Simplify right side
    571,516.02x = 249,963,923,612.13
  5. Step 5: Solve for x
    x = 249,963,923,612.13/571,516.02
  6. Step 6: Final answer
    x = 437,369.93

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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.