Home / 908,544.80-1,362,817.20-434,986.40

Finding the Fourth Proportional to 908,544.80, 1,362,817.20 and 434,986.40

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Solution

The fourth proportional to 908,544.80, 1,362,817.20 and 434,986.40 is: 652,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,544.80 : 1,362,817.20 = 434,986.40 : x
  2. Step 2: Convert to fraction form
    908,544.80/1,362,817.20 = 434,986.40/x
  3. Step 3: Cross multiply
    908,544.80x = 1,362,817.20 × 434,986.40
  4. Step 4: Simplify right side
    908,544.80x = 592,806,947,686.08
  5. Step 5: Solve for x
    x = 592,806,947,686.08/908,544.80
  6. Step 6: Final answer
    x = 652,479.60

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Similar ratio
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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.