Home / 908,837.45-1,363,108.45-429,064.32

Finding the Fourth Proportional to 908,837.45, 1,363,108.45 and 429,064.32

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Solution

The fourth proportional to 908,837.45, 1,363,108.45 and 429,064.32 is: 643,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,837.45 : 1,363,108.45 = 429,064.32 : x
  2. Step 2: Convert to fraction form
    908,837.45/1,363,108.45 = 429,064.32/x
  3. Step 3: Cross multiply
    908,837.45x = 1,363,108.45 × 429,064.32
  4. Step 4: Simplify right side
    908,837.45x = 584,861,200,185.50
  5. Step 5: Solve for x
    x = 584,861,200,185.50/908,837.45
  6. Step 6: Final answer
    x = 643,526.74

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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.