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Finding the Fourth Proportional to 507,304.11, 700,054.71 and 277,862.40

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Solution

The fourth proportional to 507,304.11, 700,054.71 and 277,862.40 is: 383,436.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,304.11 : 700,054.71 = 277,862.40 : x
  2. Step 2: Convert to fraction form
    507,304.11/700,054.71 = 277,862.40/x
  3. Step 3: Cross multiply
    507,304.11x = 700,054.71 × 277,862.40
  4. Step 4: Simplify right side
    507,304.11x = 194,518,881,851.90
  5. Step 5: Solve for x
    x = 194,518,881,851.90/507,304.11
  6. Step 6: Final answer
    x = 383,436.44

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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.