Home / 909,240.36-1,363,811.01-278,154.18

Finding the Fourth Proportional to 909,240.36, 1,363,811.01 and 278,154.18

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Solution

The fourth proportional to 909,240.36, 1,363,811.01 and 278,154.18 is: 417,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,240.36 : 1,363,811.01 = 278,154.18 : x
  2. Step 2: Convert to fraction form
    909,240.36/1,363,811.01 = 278,154.18/x
  3. Step 3: Cross multiply
    909,240.36x = 1,363,811.01 × 278,154.18
  4. Step 4: Simplify right side
    909,240.36x = 379,349,733,161.52
  5. Step 5: Solve for x
    x = 379,349,733,161.52/909,240.36
  6. Step 6: Final answer
    x = 417,216.12

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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.