Home / 966,420.09-1,333,623.20-536,727.89

Finding the Fourth Proportional to 966,420.09, 1,333,623.20 and 536,727.89

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Solution

The fourth proportional to 966,420.09, 1,333,623.20 and 536,727.89 is: 740,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,420.09 : 1,333,623.20 = 536,727.89 : x
  2. Step 2: Convert to fraction form
    966,420.09/1,333,623.20 = 536,727.89/x
  3. Step 3: Cross multiply
    966,420.09x = 1,333,623.20 × 536,727.89
  4. Step 4: Simplify right side
    966,420.09x = 715,792,766,841.47
  5. Step 5: Solve for x
    x = 715,792,766,841.47/966,420.09
  6. Step 6: Final answer
    x = 740,664.20

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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.