Home / 830,500.28-1,146,090.30-448,527.08

Finding the Fourth Proportional to 830,500.28, 1,146,090.30 and 448,527.08

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Solution

The fourth proportional to 830,500.28, 1,146,090.30 and 448,527.08 is: 618,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,500.28 : 1,146,090.30 = 448,527.08 : x
  2. Step 2: Convert to fraction form
    830,500.28/1,146,090.30 = 448,527.08/x
  3. Step 3: Cross multiply
    830,500.28x = 1,146,090.30 × 448,527.08
  4. Step 4: Simplify right side
    830,500.28x = 514,052,535,675.32
  5. Step 5: Solve for x
    x = 514,052,535,675.32/830,500.28
  6. Step 6: Final answer
    x = 618,967.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.