Home / 830,526.30-1,245,011.85-650,511.90

Finding the Fourth Proportional to 830,526.30, 1,245,011.85 and 650,511.90

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Solution

The fourth proportional to 830,526.30, 1,245,011.85 and 650,511.90 is: 975,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,526.30 : 1,245,011.85 = 650,511.90 : x
  2. Step 2: Convert to fraction form
    830,526.30/1,245,011.85 = 650,511.90/x
  3. Step 3: Cross multiply
    830,526.30x = 1,245,011.85 × 650,511.90
  4. Step 4: Simplify right side
    830,526.30x = 809,895,024,066.02
  5. Step 5: Solve for x
    x = 809,895,024,066.02/830,526.30
  6. Step 6: Final answer
    x = 975,158.79

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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.