Home / 570,980.34-787,918.73-316,313.10

Finding the Fourth Proportional to 570,980.34, 787,918.73 and 316,313.10

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Solution

The fourth proportional to 570,980.34, 787,918.73 and 316,313.10 is: 436,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,980.34 : 787,918.73 = 316,313.10 : x
  2. Step 2: Convert to fraction form
    570,980.34/787,918.73 = 316,313.10/x
  3. Step 3: Cross multiply
    570,980.34x = 787,918.73 × 316,313.10
  4. Step 4: Simplify right side
    570,980.34x = 249,229,014,452.80
  5. Step 5: Solve for x
    x = 249,229,014,452.80/570,980.34
  6. Step 6: Final answer
    x = 436,493.16

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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.