Home / 637,270.06-879,432.63-346,882.76

Finding the Fourth Proportional to 637,270.06, 879,432.63 and 346,882.76

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Solution

The fourth proportional to 637,270.06, 879,432.63 and 346,882.76 is: 478,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,270.06 : 879,432.63 = 346,882.76 : x
  2. Step 2: Convert to fraction form
    637,270.06/879,432.63 = 346,882.76/x
  3. Step 3: Cross multiply
    637,270.06x = 879,432.63 × 346,882.76
  4. Step 4: Simplify right side
    637,270.06x = 305,060,017,928.46
  5. Step 5: Solve for x
    x = 305,060,017,928.46/637,270.06
  6. Step 6: Final answer
    x = 478,698.18

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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.