Home / 637,232.78-879,374.40-350,746.76

Finding the Fourth Proportional to 637,232.78, 879,374.40 and 350,746.76

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Solution

The fourth proportional to 637,232.78, 879,374.40 and 350,746.76 is: 484,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,232.78 : 879,374.40 = 350,746.76 : x
  2. Step 2: Convert to fraction form
    637,232.78/879,374.40 = 350,746.76/x
  3. Step 3: Cross multiply
    637,232.78x = 879,374.40 × 350,746.76
  4. Step 4: Simplify right side
    637,232.78x = 308,437,721,626.94
  5. Step 5: Solve for x
    x = 308,437,721,626.94/637,232.78
  6. Step 6: Final answer
    x = 484,026.77

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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.