Home / 963,930.60-1,445,636.70-290,010.60

Finding the Fourth Proportional to 963,930.60, 1,445,636.70 and 290,010.60

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Solution

The fourth proportional to 963,930.60, 1,445,636.70 and 290,010.60 is: 434,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,930.60 : 1,445,636.70 = 290,010.60 : x
  2. Step 2: Convert to fraction form
    963,930.60/1,445,636.70 = 290,010.60/x
  3. Step 3: Cross multiply
    963,930.60x = 1,445,636.70 × 290,010.60
  4. Step 4: Simplify right side
    963,930.60x = 419,249,966,749.02
  5. Step 5: Solve for x
    x = 419,249,966,749.02/963,930.60
  6. Step 6: Final answer
    x = 434,937.92

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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.