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Finding the Fourth Proportional to 604,183.65, 906,275.43 and 287,681.01

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Solution

The fourth proportional to 604,183.65, 906,275.43 and 287,681.01 is: 431,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,183.65 : 906,275.43 = 287,681.01 : x
  2. Step 2: Convert to fraction form
    604,183.65/906,275.43 = 287,681.01/x
  3. Step 3: Cross multiply
    604,183.65x = 906,275.43 × 287,681.01
  4. Step 4: Simplify right side
    604,183.65x = 260,718,229,602.18
  5. Step 5: Solve for x
    x = 260,718,229,602.18/604,183.65
  6. Step 6: Final answer
    x = 431,521.49

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.