Home / 691,603.51-1,036,298.10-454,669.40

Finding the Fourth Proportional to 691,603.51, 1,036,298.10 and 454,669.40

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Solution

The fourth proportional to 691,603.51, 1,036,298.10 and 454,669.40 is: 681,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,603.51 : 1,036,298.10 = 454,669.40 : x
  2. Step 2: Convert to fraction form
    691,603.51/1,036,298.10 = 454,669.40/x
  3. Step 3: Cross multiply
    691,603.51x = 1,036,298.10 × 454,669.40
  4. Step 4: Simplify right side
    691,603.51x = 471,173,035,348.14
  5. Step 5: Solve for x
    x = 471,173,035,348.14/691,603.51
  6. Step 6: Final answer
    x = 681,276.23

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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.