Home / 520,085.02-717,731.54-293,730.52

Finding the Fourth Proportional to 520,085.02, 717,731.54 and 293,730.52

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Solution

The fourth proportional to 520,085.02, 717,731.54 and 293,730.52 is: 405,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,085.02 : 717,731.54 = 293,730.52 : x
  2. Step 2: Convert to fraction form
    520,085.02/717,731.54 = 293,730.52/x
  3. Step 3: Cross multiply
    520,085.02x = 717,731.54 × 293,730.52
  4. Step 4: Simplify right side
    520,085.02x = 210,819,658,464.60
  5. Step 5: Solve for x
    x = 210,819,658,464.60/520,085.02
  6. Step 6: Final answer
    x = 405,356.14

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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.