Home / 909,430.65-1,363,596.50-362,407.20

Finding the Fourth Proportional to 909,430.65, 1,363,596.50 and 362,407.20

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Solution

The fourth proportional to 909,430.65, 1,363,596.50 and 362,407.20 is: 543,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,430.65 : 1,363,596.50 = 362,407.20 : x
  2. Step 2: Convert to fraction form
    909,430.65/1,363,596.50 = 362,407.20/x
  3. Step 3: Cross multiply
    909,430.65x = 1,363,596.50 × 362,407.20
  4. Step 4: Simplify right side
    909,430.65x = 494,177,193,467.22
  5. Step 5: Solve for x
    x = 494,177,193,467.22/909,430.65
  6. Step 6: Final answer
    x = 543,391.84

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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.