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Finding the Fourth Proportional to 606,880.90, 910,030.60 and 286,766.38

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Solution

The fourth proportional to 606,880.90, 910,030.60 and 286,766.38 is: 430,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,880.90 : 910,030.60 = 286,766.38 : x
  2. Step 2: Convert to fraction form
    606,880.90/910,030.60 = 286,766.38/x
  3. Step 3: Cross multiply
    606,880.90x = 910,030.60 × 286,766.38
  4. Step 4: Simplify right side
    606,880.90x = 260,966,180,851.23
  5. Step 5: Solve for x
    x = 260,966,180,851.23/606,880.90
  6. Step 6: Final answer
    x = 430,012.18

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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.