Home / 987,333.80-1,362,522.50-551,751.15

Finding the Fourth Proportional to 987,333.80, 1,362,522.50 and 551,751.15

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Solution

The fourth proportional to 987,333.80, 1,362,522.50 and 551,751.15 is: 761,417.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,333.80 : 1,362,522.50 = 551,751.15 : x
  2. Step 2: Convert to fraction form
    987,333.80/1,362,522.50 = 551,751.15/x
  3. Step 3: Cross multiply
    987,333.80x = 1,362,522.50 × 551,751.15
  4. Step 4: Simplify right side
    987,333.80x = 751,773,357,655.25
  5. Step 5: Solve for x
    x = 751,773,357,655.25/987,333.80
  6. Step 6: Final answer
    x = 761,417.62

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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.