Home / 495,862.02-684,275.22-281,021.94

Finding the Fourth Proportional to 495,862.02, 684,275.22 and 281,021.94

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Solution

The fourth proportional to 495,862.02, 684,275.22 and 281,021.94 is: 387,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,862.02 : 684,275.22 = 281,021.94 : x
  2. Step 2: Convert to fraction form
    495,862.02/684,275.22 = 281,021.94/x
  3. Step 3: Cross multiply
    495,862.02x = 684,275.22 × 281,021.94
  4. Step 4: Simplify right side
    495,862.02x = 192,296,349,818.33
  5. Step 5: Solve for x
    x = 192,296,349,818.33/495,862.02
  6. Step 6: Final answer
    x = 387,802.13

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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.