Home / 684,526.32-944,638.23-378,578.69

Finding the Fourth Proportional to 684,526.32, 944,638.23 and 378,578.69

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Solution

The fourth proportional to 684,526.32, 944,638.23 and 378,578.69 is: 522,434.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,526.32 : 944,638.23 = 378,578.69 : x
  2. Step 2: Convert to fraction form
    684,526.32/944,638.23 = 378,578.69/x
  3. Step 3: Cross multiply
    684,526.32x = 944,638.23 × 378,578.69
  4. Step 4: Simplify right side
    684,526.32x = 357,619,903,637.32
  5. Step 5: Solve for x
    x = 357,619,903,637.32/684,526.32
  6. Step 6: Final answer
    x = 522,434.12

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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.