Home / 991,059.84-1,367,642.88-538,354.08

Finding the Fourth Proportional to 991,059.84, 1,367,642.88 and 538,354.08

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Solution

The fourth proportional to 991,059.84, 1,367,642.88 and 538,354.08 is: 742,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,059.84 : 1,367,642.88 = 538,354.08 : x
  2. Step 2: Convert to fraction form
    991,059.84/1,367,642.88 = 538,354.08/x
  3. Step 3: Cross multiply
    991,059.84x = 1,367,642.88 × 538,354.08
  4. Step 4: Simplify right side
    991,059.84x = 736,276,124,430.95
  5. Step 5: Solve for x
    x = 736,276,124,430.95/991,059.84
  6. Step 6: Final answer
    x = 742,917.93

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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.