Home / 783,690.19-1,174,551.40-423,846.70

Finding the Fourth Proportional to 783,690.19, 1,174,551.40 and 423,846.70

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Solution

The fourth proportional to 783,690.19, 1,174,551.40 and 423,846.70 is: 635,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,690.19 : 1,174,551.40 = 423,846.70 : x
  2. Step 2: Convert to fraction form
    783,690.19/1,174,551.40 = 423,846.70/x
  3. Step 3: Cross multiply
    783,690.19x = 1,174,551.40 × 423,846.70
  4. Step 4: Simplify right side
    783,690.19x = 497,829,732,463.81
  5. Step 5: Solve for x
    x = 497,829,732,463.81/783,690.19
  6. Step 6: Final answer
    x = 635,237.93

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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.