Home / 849,427.79-1,274,362.19-316,952.82

Finding the Fourth Proportional to 849,427.79, 1,274,362.19 and 316,952.82

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Solution

The fourth proportional to 849,427.79, 1,274,362.19 and 316,952.82 is: 475,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,427.79 : 1,274,362.19 = 316,952.82 : x
  2. Step 2: Convert to fraction form
    849,427.79/1,274,362.19 = 316,952.82/x
  3. Step 3: Cross multiply
    849,427.79x = 1,274,362.19 × 316,952.82
  4. Step 4: Simplify right side
    849,427.79x = 403,912,688,237.11
  5. Step 5: Solve for x
    x = 403,912,688,237.11/849,427.79
  6. Step 6: Final answer
    x = 475,511.51

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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.