Home / 908,631.40-1,362,947.10-554,337.40

Finding the Fourth Proportional to 908,631.40, 1,362,947.10 and 554,337.40

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Solution

The fourth proportional to 908,631.40, 1,362,947.10 and 554,337.40 is: 831,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,631.40 : 1,362,947.10 = 554,337.40 : x
  2. Step 2: Convert to fraction form
    908,631.40/1,362,947.10 = 554,337.40/x
  3. Step 3: Cross multiply
    908,631.40x = 1,362,947.10 × 554,337.40
  4. Step 4: Simplify right side
    908,631.40x = 755,532,551,751.54
  5. Step 5: Solve for x
    x = 755,532,551,751.54/908,631.40
  6. Step 6: Final answer
    x = 831,506.10

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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.