Home / 650,440.79-974,949.47-334,916.63

Finding the Fourth Proportional to 650,440.79, 974,949.47 and 334,916.63

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Solution

The fourth proportional to 650,440.79, 974,949.47 and 334,916.63 is: 502,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,440.79 : 974,949.47 = 334,916.63 : x
  2. Step 2: Convert to fraction form
    650,440.79/974,949.47 = 334,916.63/x
  3. Step 3: Cross multiply
    650,440.79x = 974,949.47 × 334,916.63
  4. Step 4: Simplify right side
    650,440.79x = 326,526,789,238.10
  5. Step 5: Solve for x
    x = 326,526,789,238.10/650,440.79
  6. Step 6: Final answer
    x = 502,008.48

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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.