Home / 785,323.77-1,178,045.33-305,345.36

Finding the Fourth Proportional to 785,323.77, 1,178,045.33 and 305,345.36

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Solution

The fourth proportional to 785,323.77, 1,178,045.33 and 305,345.36 is: 458,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,323.77 : 1,178,045.33 = 305,345.36 : x
  2. Step 2: Convert to fraction form
    785,323.77/1,178,045.33 = 305,345.36/x
  3. Step 3: Cross multiply
    785,323.77x = 1,178,045.33 × 305,345.36
  4. Step 4: Simplify right side
    785,323.77x = 359,710,675,385.17
  5. Step 5: Solve for x
    x = 359,710,675,385.17/785,323.77
  6. Step 6: Final answer
    x = 458,041.24

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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.