Home / 743,810.67-1,026,458.64-442,004.67

Finding the Fourth Proportional to 743,810.67, 1,026,458.64 and 442,004.67

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Solution

The fourth proportional to 743,810.67, 1,026,458.64 and 442,004.67 is: 609,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,810.67 : 1,026,458.64 = 442,004.67 : x
  2. Step 2: Convert to fraction form
    743,810.67/1,026,458.64 = 442,004.67/x
  3. Step 3: Cross multiply
    743,810.67x = 1,026,458.64 × 442,004.67
  4. Step 4: Simplify right side
    743,810.67x = 453,699,512,441.85
  5. Step 5: Solve for x
    x = 453,699,512,441.85/743,810.67
  6. Step 6: Final answer
    x = 609,966.39

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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.