Home / 567,300.40-849,784.20-390,007.60

Finding the Fourth Proportional to 567,300.40, 849,784.20 and 390,007.60

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Solution

The fourth proportional to 567,300.40, 849,784.20 and 390,007.60 is: 584,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,300.40 : 849,784.20 = 390,007.60 : x
  2. Step 2: Convert to fraction form
    567,300.40/849,784.20 = 390,007.60/x
  3. Step 3: Cross multiply
    567,300.40x = 849,784.20 × 390,007.60
  4. Step 4: Simplify right side
    567,300.40x = 331,422,296,359.92
  5. Step 5: Solve for x
    x = 331,422,296,359.92/567,300.40
  6. Step 6: Final answer
    x = 584,209.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.