Home / 750,838.15-1,036,169.90-411,284.35

Finding the Fourth Proportional to 750,838.15, 1,036,169.90 and 411,284.35

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Solution

The fourth proportional to 750,838.15, 1,036,169.90 and 411,284.35 is: 567,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,838.15 : 1,036,169.90 = 411,284.35 : x
  2. Step 2: Convert to fraction form
    750,838.15/1,036,169.90 = 411,284.35/x
  3. Step 3: Cross multiply
    750,838.15x = 1,036,169.90 × 411,284.35
  4. Step 4: Simplify right side
    750,838.15x = 426,160,463,811.07
  5. Step 5: Solve for x
    x = 426,160,463,811.07/750,838.15
  6. Step 6: Final answer
    x = 567,579.66

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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.