Home / 1,019,111.40-1,528,278.30-308,903.40

Finding the Fourth Proportional to 1,019,111.40, 1,528,278.30 and 308,903.40

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Solution

The fourth proportional to 1,019,111.40, 1,528,278.30 and 308,903.40 is: 463,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,111.40 : 1,528,278.30 = 308,903.40 : x
  2. Step 2: Convert to fraction form
    1,019,111.40/1,528,278.30 = 308,903.40/x
  3. Step 3: Cross multiply
    1,019,111.40x = 1,528,278.30 × 308,903.40
  4. Step 4: Simplify right side
    1,019,111.40x = 472,090,363,016.22
  5. Step 5: Solve for x
    x = 472,090,363,016.22/1,019,111.40
  6. Step 6: Final answer
    x = 463,237.25

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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.