Home / 908,047.40-1,359,446.70-553,753.40

Finding the Fourth Proportional to 908,047.40, 1,359,446.70 and 553,753.40

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Solution

The fourth proportional to 908,047.40, 1,359,446.70 and 553,753.40 is: 829,029.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,047.40 : 1,359,446.70 = 553,753.40 : x
  2. Step 2: Convert to fraction form
    908,047.40/1,359,446.70 = 553,753.40/x
  3. Step 3: Cross multiply
    908,047.40x = 1,359,446.70 × 553,753.40
  4. Step 4: Simplify right side
    908,047.40x = 752,798,232,243.78
  5. Step 5: Solve for x
    x = 752,798,232,243.78/908,047.40
  6. Step 6: Final answer
    x = 829,029.67

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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.