Home / 508,345.02-701,534.80-307,102.14

Finding the Fourth Proportional to 508,345.02, 701,534.80 and 307,102.14

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Solution

The fourth proportional to 508,345.02, 701,534.80 and 307,102.14 is: 423,812.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,345.02 : 701,534.80 = 307,102.14 : x
  2. Step 2: Convert to fraction form
    508,345.02/701,534.80 = 307,102.14/x
  3. Step 3: Cross multiply
    508,345.02x = 701,534.80 × 307,102.14
  4. Step 4: Simplify right side
    508,345.02x = 215,442,838,364.47
  5. Step 5: Solve for x
    x = 215,442,838,364.47/508,345.02
  6. Step 6: Final answer
    x = 423,812.23

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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.