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Finding the Fourth Proportional to 607,521.27, 838,344.65 and 362,782.24

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Solution

The fourth proportional to 607,521.27, 838,344.65 and 362,782.24 is: 500,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,521.27 : 838,344.65 = 362,782.24 : x
  2. Step 2: Convert to fraction form
    607,521.27/838,344.65 = 362,782.24/x
  3. Step 3: Cross multiply
    607,521.27x = 838,344.65 × 362,782.24
  4. Step 4: Simplify right side
    607,521.27x = 304,136,548,830.11
  5. Step 5: Solve for x
    x = 304,136,548,830.11/607,521.27
  6. Step 6: Final answer
    x = 500,618.77

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1.5x scale

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.