Home / 788,294.70-1,087,847.73-448,762.50

Finding the Fourth Proportional to 788,294.70, 1,087,847.73 and 448,762.50

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Solution

The fourth proportional to 788,294.70, 1,087,847.73 and 448,762.50 is: 619,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,294.70 : 1,087,847.73 = 448,762.50 : x
  2. Step 2: Convert to fraction form
    788,294.70/1,087,847.73 = 448,762.50/x
  3. Step 3: Cross multiply
    788,294.70x = 1,087,847.73 × 448,762.50
  4. Step 4: Simplify right side
    788,294.70x = 488,185,266,934.13
  5. Step 5: Solve for x
    x = 488,185,266,934.13/788,294.70
  6. Step 6: Final answer
    x = 619,292.84

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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.