Home / 914,798.50-1,262,421.93-557,102.50

Finding the Fourth Proportional to 914,798.50, 1,262,421.93 and 557,102.50

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Solution

The fourth proportional to 914,798.50, 1,262,421.93 and 557,102.50 is: 768,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,798.50 : 1,262,421.93 = 557,102.50 : x
  2. Step 2: Convert to fraction form
    914,798.50/1,262,421.93 = 557,102.50/x
  3. Step 3: Cross multiply
    914,798.50x = 1,262,421.93 × 557,102.50
  4. Step 4: Simplify right side
    914,798.50x = 703,298,413,257.83
  5. Step 5: Solve for x
    x = 703,298,413,257.83/914,798.50
  6. Step 6: Final answer
    x = 768,801.45

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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.