Home / 493,620.30-740,430.45-283,085.10

Finding the Fourth Proportional to 493,620.30, 740,430.45 and 283,085.10

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Solution

The fourth proportional to 493,620.30, 740,430.45 and 283,085.10 is: 424,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,620.30 : 740,430.45 = 283,085.10 : x
  2. Step 2: Convert to fraction form
    493,620.30/740,430.45 = 283,085.10/x
  3. Step 3: Cross multiply
    493,620.30x = 740,430.45 × 283,085.10
  4. Step 4: Simplify right side
    493,620.30x = 209,604,827,981.30
  5. Step 5: Solve for x
    x = 209,604,827,981.30/493,620.30
  6. Step 6: Final answer
    x = 424,627.65

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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.