Home / 879,875.35-1,214,227.98-477,467.35

Finding the Fourth Proportional to 879,875.35, 1,214,227.98 and 477,467.35

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Solution

The fourth proportional to 879,875.35, 1,214,227.98 and 477,467.35 is: 658,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,875.35 : 1,214,227.98 = 477,467.35 : x
  2. Step 2: Convert to fraction form
    879,875.35/1,214,227.98 = 477,467.35/x
  3. Step 3: Cross multiply
    879,875.35x = 1,214,227.98 × 477,467.35
  4. Step 4: Simplify right side
    879,875.35x = 579,754,215,906.45
  5. Step 5: Solve for x
    x = 579,754,215,906.45/879,875.35
  6. Step 6: Final answer
    x = 658,904.94

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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.