Home / 743,812.67-1,026,461.40-442,006.67

Finding the Fourth Proportional to 743,812.67, 1,026,461.40 and 442,006.67

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Solution

The fourth proportional to 743,812.67, 1,026,461.40 and 442,006.67 is: 609,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,812.67 : 1,026,461.40 = 442,006.67 : x
  2. Step 2: Convert to fraction form
    743,812.67/1,026,461.40 = 442,006.67/x
  3. Step 3: Cross multiply
    743,812.67x = 1,026,461.40 × 442,006.67
  4. Step 4: Simplify right side
    743,812.67x = 453,702,785,297.54
  5. Step 5: Solve for x
    x = 453,702,785,297.54/743,812.67
  6. Step 6: Final answer
    x = 609,969.15

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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.