Home / 841,849.88-1,263,088.53-505,132.20

Finding the Fourth Proportional to 841,849.88, 1,263,088.53 and 505,132.20

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Solution

The fourth proportional to 841,849.88, 1,263,088.53 and 505,132.20 is: 757,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,849.88 : 1,263,088.53 = 505,132.20 : x
  2. Step 2: Convert to fraction form
    841,849.88/1,263,088.53 = 505,132.20/x
  3. Step 3: Cross multiply
    841,849.88x = 1,263,088.53 × 505,132.20
  4. Step 4: Simplify right side
    841,849.88x = 638,026,687,953.67
  5. Step 5: Solve for x
    x = 638,026,687,953.67/841,849.88
  6. Step 6: Final answer
    x = 757,886.54

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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.