Home / 495,915.18-684,437.75-302,435.13

Finding the Fourth Proportional to 495,915.18, 684,437.75 and 302,435.13

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Solution

The fourth proportional to 495,915.18, 684,437.75 and 302,435.13 is: 417,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,915.18 : 684,437.75 = 302,435.13 : x
  2. Step 2: Convert to fraction form
    495,915.18/684,437.75 = 302,435.13/x
  3. Step 3: Cross multiply
    495,915.18x = 684,437.75 × 302,435.13
  4. Step 4: Simplify right side
    495,915.18x = 206,998,022,086.76
  5. Step 5: Solve for x
    x = 206,998,022,086.76/495,915.18
  6. Step 6: Final answer
    x = 417,406.10

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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.