Home / 931,719.51-1,397,907.18-458,737.02

Finding the Fourth Proportional to 931,719.51, 1,397,907.18 and 458,737.02

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Solution

The fourth proportional to 931,719.51, 1,397,907.18 and 458,737.02 is: 688,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,719.51 : 1,397,907.18 = 458,737.02 : x
  2. Step 2: Convert to fraction form
    931,719.51/1,397,907.18 = 458,737.02/x
  3. Step 3: Cross multiply
    931,719.51x = 1,397,907.18 × 458,737.02
  4. Step 4: Simplify right side
    931,719.51x = 641,271,773,989.80
  5. Step 5: Solve for x
    x = 641,271,773,989.80/931,719.51
  6. Step 6: Final answer
    x = 688,266.98

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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.