Home / 912,050.88-1,367,338.08-379,971.60

Finding the Fourth Proportional to 912,050.88, 1,367,338.08 and 379,971.60

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Solution

The fourth proportional to 912,050.88, 1,367,338.08 and 379,971.60 is: 569,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,050.88 : 1,367,338.08 = 379,971.60 : x
  2. Step 2: Convert to fraction form
    912,050.88/1,367,338.08 = 379,971.60/x
  3. Step 3: Cross multiply
    912,050.88x = 1,367,338.08 × 379,971.60
  4. Step 4: Simplify right side
    912,050.88x = 519,549,637,998.53
  5. Step 5: Solve for x
    x = 519,549,637,998.53/912,050.88
  6. Step 6: Final answer
    x = 569,649.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.