Home / 830,100.56-1,243,154.72-474,035.36

Finding the Fourth Proportional to 830,100.56, 1,243,154.72 and 474,035.36

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Solution

The fourth proportional to 830,100.56, 1,243,154.72 and 474,035.36 is: 709,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,100.56 : 1,243,154.72 = 474,035.36 : x
  2. Step 2: Convert to fraction form
    830,100.56/1,243,154.72 = 474,035.36/x
  3. Step 3: Cross multiply
    830,100.56x = 1,243,154.72 × 474,035.36
  4. Step 4: Simplify right side
    830,100.56x = 589,299,295,230.90
  5. Step 5: Solve for x
    x = 589,299,295,230.90/830,100.56
  6. Step 6: Final answer
    x = 709,913.14

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1.5x scale

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.