Home / 926,603.74-1,390,804.43-447,168.95

Finding the Fourth Proportional to 926,603.74, 1,390,804.43 and 447,168.95

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Solution

The fourth proportional to 926,603.74, 1,390,804.43 and 447,168.95 is: 671,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,603.74 : 1,390,804.43 = 447,168.95 : x
  2. Step 2: Convert to fraction form
    926,603.74/1,390,804.43 = 447,168.95/x
  3. Step 3: Cross multiply
    926,603.74x = 1,390,804.43 × 447,168.95
  4. Step 4: Simplify right side
    926,603.74x = 621,924,554,382.60
  5. Step 5: Solve for x
    x = 621,924,554,382.60/926,603.74
  6. Step 6: Final answer
    x = 671,187.19

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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.