Home / 931,646.20-1,397,123.70-370,564.60

Finding the Fourth Proportional to 931,646.20, 1,397,123.70 and 370,564.60

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Solution

The fourth proportional to 931,646.20, 1,397,123.70 and 370,564.60 is: 555,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,646.20 : 1,397,123.70 = 370,564.60 : x
  2. Step 2: Convert to fraction form
    931,646.20/1,397,123.70 = 370,564.60/x
  3. Step 3: Cross multiply
    931,646.20x = 1,397,123.70 × 370,564.60
  4. Step 4: Simplify right side
    931,646.20x = 517,724,585,041.02
  5. Step 5: Solve for x
    x = 517,724,585,041.02/931,646.20
  6. Step 6: Final answer
    x = 555,709.44

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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.