Home / 774,412.08-1,068,651.12-430,269.72

Finding the Fourth Proportional to 774,412.08, 1,068,651.12 and 430,269.72

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Solution

The fourth proportional to 774,412.08, 1,068,651.12 and 430,269.72 is: 593,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,412.08 : 1,068,651.12 = 430,269.72 : x
  2. Step 2: Convert to fraction form
    774,412.08/1,068,651.12 = 430,269.72/x
  3. Step 3: Cross multiply
    774,412.08x = 1,068,651.12 × 430,269.72
  4. Step 4: Simplify right side
    774,412.08x = 459,808,218,180.09
  5. Step 5: Solve for x
    x = 459,808,218,180.09/774,412.08
  6. Step 6: Final answer
    x = 593,751.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.