Home / 788,117.25-1,087,603.02-448,585.50

Finding the Fourth Proportional to 788,117.25, 1,087,603.02 and 448,585.50

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Solution

The fourth proportional to 788,117.25, 1,087,603.02 and 448,585.50 is: 619,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,117.25 : 1,087,603.02 = 448,585.50 : x
  2. Step 2: Convert to fraction form
    788,117.25/1,087,603.02 = 448,585.50/x
  3. Step 3: Cross multiply
    788,117.25x = 1,087,603.02 × 448,585.50
  4. Step 4: Simplify right side
    788,117.25x = 487,882,944,528.21
  5. Step 5: Solve for x
    x = 487,882,944,528.21/788,117.25
  6. Step 6: Final answer
    x = 619,048.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.