Home / 743,426.74-1,025,908.95-437,521.15

Finding the Fourth Proportional to 743,426.74, 1,025,908.95 and 437,521.15

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Solution

The fourth proportional to 743,426.74, 1,025,908.95 and 437,521.15 is: 603,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,426.74 : 1,025,908.95 = 437,521.15 : x
  2. Step 2: Convert to fraction form
    743,426.74/1,025,908.95 = 437,521.15/x
  3. Step 3: Cross multiply
    743,426.74x = 1,025,908.95 × 437,521.15
  4. Step 4: Simplify right side
    743,426.74x = 448,856,863,599.29
  5. Step 5: Solve for x
    x = 448,856,863,599.29/743,426.74
  6. Step 6: Final answer
    x = 603,767.45

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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.