Home / 434,583.60-651,875.40-403,090.80

Finding the Fourth Proportional to 434,583.60, 651,875.40 and 403,090.80

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Solution

The fourth proportional to 434,583.60, 651,875.40 and 403,090.80 is: 604,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,583.60 : 651,875.40 = 403,090.80 : x
  2. Step 2: Convert to fraction form
    434,583.60/651,875.40 = 403,090.80/x
  3. Step 3: Cross multiply
    434,583.60x = 651,875.40 × 403,090.80
  4. Step 4: Simplify right side
    434,583.60x = 262,764,976,486.32
  5. Step 5: Solve for x
    x = 262,764,976,486.32/434,583.60
  6. Step 6: Final answer
    x = 604,636.20

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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.