Home / 980,307.95-1,470,711.40-575,842.19

Finding the Fourth Proportional to 980,307.95, 1,470,711.40 and 575,842.19

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Solution

The fourth proportional to 980,307.95, 1,470,711.40 and 575,842.19 is: 863,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,307.95 : 1,470,711.40 = 575,842.19 : x
  2. Step 2: Convert to fraction form
    980,307.95/1,470,711.40 = 575,842.19/x
  3. Step 3: Cross multiply
    980,307.95x = 1,470,711.40 × 575,842.19
  4. Step 4: Simplify right side
    980,307.95x = 846,897,670,554.76
  5. Step 5: Solve for x
    x = 846,897,670,554.76/980,307.95
  6. Step 6: Final answer
    x = 863,909.83

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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.