Home / 890,846.02-1,335,987.69-291,669.45

Finding the Fourth Proportional to 890,846.02, 1,335,987.69 and 291,669.45

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Solution

The fourth proportional to 890,846.02, 1,335,987.69 and 291,669.45 is: 437,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,846.02 : 1,335,987.69 = 291,669.45 : x
  2. Step 2: Convert to fraction form
    890,846.02/1,335,987.69 = 291,669.45/x
  3. Step 3: Cross multiply
    890,846.02x = 1,335,987.69 × 291,669.45
  4. Step 4: Simplify right side
    890,846.02x = 389,666,794,749.07
  5. Step 5: Solve for x
    x = 389,666,794,749.07/890,846.02
  6. Step 6: Final answer
    x = 437,412.06

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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.