Home / 571,927.02-789,256.87-317,278.20

Finding the Fourth Proportional to 571,927.02, 789,256.87 and 317,278.20

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Solution

The fourth proportional to 571,927.02, 789,256.87 and 317,278.20 is: 437,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,927.02 : 789,256.87 = 317,278.20 : x
  2. Step 2: Convert to fraction form
    571,927.02/789,256.87 = 317,278.20/x
  3. Step 3: Cross multiply
    571,927.02x = 789,256.87 × 317,278.20
  4. Step 4: Simplify right side
    571,927.02x = 250,413,999,051.23
  5. Step 5: Solve for x
    x = 250,413,999,051.23/571,927.02
  6. Step 6: Final answer
    x = 437,842.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.