Home / 674,296.10-1,011,444.15-643,192.10

Finding the Fourth Proportional to 674,296.10, 1,011,444.15 and 643,192.10

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Solution

The fourth proportional to 674,296.10, 1,011,444.15 and 643,192.10 is: 964,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,296.10 : 1,011,444.15 = 643,192.10 : x
  2. Step 2: Convert to fraction form
    674,296.10/1,011,444.15 = 643,192.10/x
  3. Step 3: Cross multiply
    674,296.10x = 1,011,444.15 × 643,192.10
  4. Step 4: Simplify right side
    674,296.10x = 650,552,886,871.22
  5. Step 5: Solve for x
    x = 650,552,886,871.22/674,296.10
  6. Step 6: Final answer
    x = 964,788.15

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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.