Home / 926,284.60-1,390,301.70-571,990.60

Finding the Fourth Proportional to 926,284.60, 1,390,301.70 and 571,990.60

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Solution

The fourth proportional to 926,284.60, 1,390,301.70 and 571,990.60 is: 858,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,284.60 : 1,390,301.70 = 571,990.60 : x
  2. Step 2: Convert to fraction form
    926,284.60/1,390,301.70 = 571,990.60/x
  3. Step 3: Cross multiply
    926,284.60x = 1,390,301.70 × 571,990.60
  4. Step 4: Simplify right side
    926,284.60x = 795,239,503,564.02
  5. Step 5: Solve for x
    x = 795,239,503,564.02/926,284.60
  6. Step 6: Final answer
    x = 858,526.10

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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.