Home / 931,044.67-1,397,260.09-691,715.80

Finding the Fourth Proportional to 931,044.67, 1,397,260.09 and 691,715.80

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Solution

The fourth proportional to 931,044.67, 1,397,260.09 and 691,715.80 is: 1,038,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,044.67 : 1,397,260.09 = 691,715.80 : x
  2. Step 2: Convert to fraction form
    931,044.67/1,397,260.09 = 691,715.80/x
  3. Step 3: Cross multiply
    931,044.67x = 1,397,260.09 × 691,715.80
  4. Step 4: Simplify right side
    931,044.67x = 966,506,880,962.42
  5. Step 5: Solve for x
    x = 966,506,880,962.42/931,044.67
  6. Step 6: Final answer
    x = 1,038,088.62

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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.