Home / 669,904.90-1,003,690.95-433,125.70

Finding the Fourth Proportional to 669,904.90, 1,003,690.95 and 433,125.70

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Solution

The fourth proportional to 669,904.90, 1,003,690.95 and 433,125.70 is: 648,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,904.90 : 1,003,690.95 = 433,125.70 : x
  2. Step 2: Convert to fraction form
    669,904.90/1,003,690.95 = 433,125.70/x
  3. Step 3: Cross multiply
    669,904.90x = 1,003,690.95 × 433,125.70
  4. Step 4: Simplify right side
    669,904.90x = 434,724,345,302.42
  5. Step 5: Solve for x
    x = 434,724,345,302.42/669,904.90
  6. Step 6: Final answer
    x = 648,934.42

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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.