Home / 839,309.10-1,158,210.34-476,731.83

Finding the Fourth Proportional to 839,309.10, 1,158,210.34 and 476,731.83

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Solution

The fourth proportional to 839,309.10, 1,158,210.34 and 476,731.83 is: 657,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,309.10 : 1,158,210.34 = 476,731.83 : x
  2. Step 2: Convert to fraction form
    839,309.10/1,158,210.34 = 476,731.83/x
  3. Step 3: Cross multiply
    839,309.10x = 1,158,210.34 × 476,731.83
  4. Step 4: Simplify right side
    839,309.10x = 552,155,734,913.12
  5. Step 5: Solve for x
    x = 552,155,734,913.12/839,309.10
  6. Step 6: Final answer
    x = 657,869.35

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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.