Home / 918,938.52-1,378,407.24-358,366.68

Finding the Fourth Proportional to 918,938.52, 1,378,407.24 and 358,366.68

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Solution

The fourth proportional to 918,938.52, 1,378,407.24 and 358,366.68 is: 537,549.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,938.52 : 1,378,407.24 = 358,366.68 : x
  2. Step 2: Convert to fraction form
    918,938.52/1,378,407.24 = 358,366.68/x
  3. Step 3: Cross multiply
    918,938.52x = 1,378,407.24 × 358,366.68
  4. Step 4: Simplify right side
    918,938.52x = 493,975,226,286.76
  5. Step 5: Solve for x
    x = 493,975,226,286.76/918,938.52
  6. Step 6: Final answer
    x = 537,549.81

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1.5x scale

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.