Home / 709,733.60-1,064,600.40-429,797.60

Finding the Fourth Proportional to 709,733.60, 1,064,600.40 and 429,797.60

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Solution

The fourth proportional to 709,733.60, 1,064,600.40 and 429,797.60 is: 644,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,733.60 : 1,064,600.40 = 429,797.60 : x
  2. Step 2: Convert to fraction form
    709,733.60/1,064,600.40 = 429,797.60/x
  3. Step 3: Cross multiply
    709,733.60x = 1,064,600.40 × 429,797.60
  4. Step 4: Simplify right side
    709,733.60x = 457,562,696,879.04
  5. Step 5: Solve for x
    x = 457,562,696,879.04/709,733.60
  6. Step 6: Final answer
    x = 644,696.40

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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.