Home / 927,298.80-1,390,948.20-717,087.60

Finding the Fourth Proportional to 927,298.80, 1,390,948.20 and 717,087.60

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Solution

The fourth proportional to 927,298.80, 1,390,948.20 and 717,087.60 is: 1,075,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,298.80 : 1,390,948.20 = 717,087.60 : x
  2. Step 2: Convert to fraction form
    927,298.80/1,390,948.20 = 717,087.60/x
  3. Step 3: Cross multiply
    927,298.80x = 1,390,948.20 × 717,087.60
  4. Step 4: Simplify right side
    927,298.80x = 997,431,706,462.32
  5. Step 5: Solve for x
    x = 997,431,706,462.32/927,298.80
  6. Step 6: Final answer
    x = 1,075,631.40

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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.