Home / 712,006.20-1,068,009.30-446,585.40

Finding the Fourth Proportional to 712,006.20, 1,068,009.30 and 446,585.40

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Solution

The fourth proportional to 712,006.20, 1,068,009.30 and 446,585.40 is: 669,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,006.20 : 1,068,009.30 = 446,585.40 : x
  2. Step 2: Convert to fraction form
    712,006.20/1,068,009.30 = 446,585.40/x
  3. Step 3: Cross multiply
    712,006.20x = 1,068,009.30 × 446,585.40
  4. Step 4: Simplify right side
    712,006.20x = 476,957,360,444.22
  5. Step 5: Solve for x
    x = 476,957,360,444.22/712,006.20
  6. Step 6: Final answer
    x = 669,878.10

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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.