Home / 707,219.40-1,060,829.10-286,278.60

Finding the Fourth Proportional to 707,219.40, 1,060,829.10 and 286,278.60

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Solution

The fourth proportional to 707,219.40, 1,060,829.10 and 286,278.60 is: 429,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,219.40 : 1,060,829.10 = 286,278.60 : x
  2. Step 2: Convert to fraction form
    707,219.40/1,060,829.10 = 286,278.60/x
  3. Step 3: Cross multiply
    707,219.40x = 1,060,829.10 × 286,278.60
  4. Step 4: Simplify right side
    707,219.40x = 303,692,669,587.26
  5. Step 5: Solve for x
    x = 303,692,669,587.26/707,219.40
  6. Step 6: Final answer
    x = 429,417.90

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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.