Home / 743,811.67-1,026,460.02-442,005.67

Finding the Fourth Proportional to 743,811.67, 1,026,460.02 and 442,005.67

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Solution

The fourth proportional to 743,811.67, 1,026,460.02 and 442,005.67 is: 609,967.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,811.67 : 1,026,460.02 = 442,005.67 : x
  2. Step 2: Convert to fraction form
    743,811.67/1,026,460.02 = 442,005.67/x
  3. Step 3: Cross multiply
    743,811.67x = 1,026,460.02 × 442,005.67
  4. Step 4: Simplify right side
    743,811.67x = 453,701,148,868.31
  5. Step 5: Solve for x
    x = 453,701,148,868.31/743,811.67
  6. Step 6: Final answer
    x = 609,967.77

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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.