Home / 908,511.30-1,362,766.95-434,952.90

Finding the Fourth Proportional to 908,511.30, 1,362,766.95 and 434,952.90

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Solution

The fourth proportional to 908,511.30, 1,362,766.95 and 434,952.90 is: 652,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,511.30 : 1,362,766.95 = 434,952.90 : x
  2. Step 2: Convert to fraction form
    908,511.30/1,362,766.95 = 434,952.90/x
  3. Step 3: Cross multiply
    908,511.30x = 1,362,766.95 × 434,952.90
  4. Step 4: Simplify right side
    908,511.30x = 592,739,436,926.66
  5. Step 5: Solve for x
    x = 592,739,436,926.66/908,511.30
  6. Step 6: Final answer
    x = 652,429.35

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Double scale
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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.