Home / 913,086.81-1,369,616.40-314,053.20

Finding the Fourth Proportional to 913,086.81, 1,369,616.40 and 314,053.20

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Solution

The fourth proportional to 913,086.81, 1,369,616.40 and 314,053.20 is: 471,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,086.81 : 1,369,616.40 = 314,053.20 : x
  2. Step 2: Convert to fraction form
    913,086.81/1,369,616.40 = 314,053.20/x
  3. Step 3: Cross multiply
    913,086.81x = 1,369,616.40 × 314,053.20
  4. Step 4: Simplify right side
    913,086.81x = 430,132,413,192.48
  5. Step 5: Solve for x
    x = 430,132,413,192.48/913,086.81
  6. Step 6: Final answer
    x = 471,075.05

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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.