Home / 551,828.90-761,519.95-310,106.27

Finding the Fourth Proportional to 551,828.90, 761,519.95 and 310,106.27

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Solution

The fourth proportional to 551,828.90, 761,519.95 and 310,106.27 is: 427,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,828.90 : 761,519.95 = 310,106.27 : x
  2. Step 2: Convert to fraction form
    551,828.90/761,519.95 = 310,106.27/x
  3. Step 3: Cross multiply
    551,828.90x = 761,519.95 × 310,106.27
  4. Step 4: Simplify right side
    551,828.90x = 236,152,112,353.62
  5. Step 5: Solve for x
    x = 236,152,112,353.62/551,828.90
  6. Step 6: Final answer
    x = 427,944.44

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1.5x scale

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.