Home / 889,526.56-1,334,371.86-290,490.86

Finding the Fourth Proportional to 889,526.56, 1,334,371.86 and 290,490.86

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Solution

The fourth proportional to 889,526.56, 1,334,371.86 and 290,490.86 is: 435,763.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,526.56 : 1,334,371.86 = 290,490.86 : x
  2. Step 2: Convert to fraction form
    889,526.56/1,334,371.86 = 290,490.86/x
  3. Step 3: Cross multiply
    889,526.56x = 1,334,371.86 × 290,490.86
  4. Step 4: Simplify right side
    889,526.56x = 387,622,822,499.34
  5. Step 5: Solve for x
    x = 387,622,822,499.34/889,526.56
  6. Step 6: Final answer
    x = 435,763.07

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1.5x scale

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.