Home / 602,478.16-831,428.34-330,541.11

Finding the Fourth Proportional to 602,478.16, 831,428.34 and 330,541.11

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Solution

The fourth proportional to 602,478.16, 831,428.34 and 330,541.11 is: 456,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,478.16 : 831,428.34 = 330,541.11 : x
  2. Step 2: Convert to fraction form
    602,478.16/831,428.34 = 330,541.11/x
  3. Step 3: Cross multiply
    602,478.16x = 831,428.34 × 330,541.11
  4. Step 4: Simplify right side
    602,478.16x = 274,821,240,579.21
  5. Step 5: Solve for x
    x = 274,821,240,579.21/602,478.16
  6. Step 6: Final answer
    x = 456,151.38

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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.