Home / 702,935.10-1,051,945.05-643,952.70

Finding the Fourth Proportional to 702,935.10, 1,051,945.05 and 643,952.70

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Solution

The fourth proportional to 702,935.10, 1,051,945.05 and 643,952.70 is: 963,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,935.10 : 1,051,945.05 = 643,952.70 : x
  2. Step 2: Convert to fraction form
    702,935.10/1,051,945.05 = 643,952.70/x
  3. Step 3: Cross multiply
    702,935.10x = 1,051,945.05 × 643,952.70
  4. Step 4: Simplify right side
    702,935.10x = 677,402,855,199.14
  5. Step 5: Solve for x
    x = 677,402,855,199.14/702,935.10
  6. Step 6: Final answer
    x = 963,677.66

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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.