Home / 712,931.10-1,069,558.65-239,664.30

Finding the Fourth Proportional to 712,931.10, 1,069,558.65 and 239,664.30

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Solution

The fourth proportional to 712,931.10, 1,069,558.65 and 239,664.30 is: 359,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,931.10 : 1,069,558.65 = 239,664.30 : x
  2. Step 2: Convert to fraction form
    712,931.10/1,069,558.65 = 239,664.30/x
  3. Step 3: Cross multiply
    712,931.10x = 1,069,558.65 × 239,664.30
  4. Step 4: Simplify right side
    712,931.10x = 256,335,025,161.20
  5. Step 5: Solve for x
    x = 256,335,025,161.20/712,931.10
  6. Step 6: Final answer
    x = 359,550.91

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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.