Home / 775,168.08-1,069,602.36-430,994.40

Finding the Fourth Proportional to 775,168.08, 1,069,602.36 and 430,994.40

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Solution

The fourth proportional to 775,168.08, 1,069,602.36 and 430,994.40 is: 594,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,168.08 : 1,069,602.36 = 430,994.40 : x
  2. Step 2: Convert to fraction form
    775,168.08/1,069,602.36 = 430,994.40/x
  3. Step 3: Cross multiply
    775,168.08x = 1,069,602.36 × 430,994.40
  4. Step 4: Simplify right side
    775,168.08x = 460,992,627,386.78
  5. Step 5: Solve for x
    x = 460,992,627,386.78/775,168.08
  6. Step 6: Final answer
    x = 594,700.22

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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.