Home / 830,011.60-1,245,017.40-682,389.10

Finding the Fourth Proportional to 830,011.60, 1,245,017.40 and 682,389.10

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Solution

The fourth proportional to 830,011.60, 1,245,017.40 and 682,389.10 is: 1,023,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,011.60 : 1,245,017.40 = 682,389.10 : x
  2. Step 2: Convert to fraction form
    830,011.60/1,245,017.40 = 682,389.10/x
  3. Step 3: Cross multiply
    830,011.60x = 1,245,017.40 × 682,389.10
  4. Step 4: Simplify right side
    830,011.60x = 849,586,303,070.34
  5. Step 5: Solve for x
    x = 849,586,303,070.34/830,011.60
  6. Step 6: Final answer
    x = 1,023,583.65

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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.