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Finding the Fourth Proportional to 635,521.51, 877,146.98 and 377,541.76

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Solution

The fourth proportional to 635,521.51, 877,146.98 and 377,541.76 is: 521,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,521.51 : 877,146.98 = 377,541.76 : x
  2. Step 2: Convert to fraction form
    635,521.51/877,146.98 = 377,541.76/x
  3. Step 3: Cross multiply
    635,521.51x = 877,146.98 × 377,541.76
  4. Step 4: Simplify right side
    635,521.51x = 331,159,614,607.89
  5. Step 5: Solve for x
    x = 331,159,614,607.89/635,521.51
  6. Step 6: Final answer
    x = 521,083.25

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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.