Home / 495,864.95-684,574.64-379,359.23

Finding the Fourth Proportional to 495,864.95, 684,574.64 and 379,359.23

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Solution

The fourth proportional to 495,864.95, 684,574.64 and 379,359.23 is: 523,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,864.95 : 684,574.64 = 379,359.23 : x
  2. Step 2: Convert to fraction form
    495,864.95/684,574.64 = 379,359.23/x
  3. Step 3: Cross multiply
    495,864.95x = 684,574.64 × 379,359.23
  4. Step 4: Simplify right side
    495,864.95x = 259,699,702,988.26
  5. Step 5: Solve for x
    x = 259,699,702,988.26/495,864.95
  6. Step 6: Final answer
    x = 523,730.72

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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.