Home / 731,575.20-1,097,362.80-554,428.20

Finding the Fourth Proportional to 731,575.20, 1,097,362.80 and 554,428.20

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Solution

The fourth proportional to 731,575.20, 1,097,362.80 and 554,428.20 is: 831,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,575.20 : 1,097,362.80 = 554,428.20 : x
  2. Step 2: Convert to fraction form
    731,575.20/1,097,362.80 = 554,428.20/x
  3. Step 3: Cross multiply
    731,575.20x = 1,097,362.80 × 554,428.20
  4. Step 4: Simplify right side
    731,575.20x = 608,408,881,950.96
  5. Step 5: Solve for x
    x = 608,408,881,950.96/731,575.20
  6. Step 6: Final answer
    x = 831,642.30

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Double scale
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Similar ratio
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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.