Home / 912,708.90-1,369,063.35-558,123.30

Finding the Fourth Proportional to 912,708.90, 1,369,063.35 and 558,123.30

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Solution

The fourth proportional to 912,708.90, 1,369,063.35 and 558,123.30 is: 837,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,708.90 : 1,369,063.35 = 558,123.30 : x
  2. Step 2: Convert to fraction form
    912,708.90/1,369,063.35 = 558,123.30/x
  3. Step 3: Cross multiply
    912,708.90x = 1,369,063.35 × 558,123.30
  4. Step 4: Simplify right side
    912,708.90x = 764,106,154,811.06
  5. Step 5: Solve for x
    x = 764,106,154,811.06/912,708.90
  6. Step 6: Final answer
    x = 837,184.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.