Home / 908,400.80-1,362,601.20-434,842.40

Finding the Fourth Proportional to 908,400.80, 1,362,601.20 and 434,842.40

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Solution

The fourth proportional to 908,400.80, 1,362,601.20 and 434,842.40 is: 652,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,400.80 : 1,362,601.20 = 434,842.40 : x
  2. Step 2: Convert to fraction form
    908,400.80/1,362,601.20 = 434,842.40/x
  3. Step 3: Cross multiply
    908,400.80x = 1,362,601.20 × 434,842.40
  4. Step 4: Simplify right side
    908,400.80x = 592,516,776,050.88
  5. Step 5: Solve for x
    x = 592,516,776,050.88/908,400.80
  6. Step 6: Final answer
    x = 652,263.60

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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.