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Finding the Fourth Proportional to 410,075.70, 615,113.55 and 335,280.30

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Solution

The fourth proportional to 410,075.70, 615,113.55 and 335,280.30 is: 502,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,075.70 : 615,113.55 = 335,280.30 : x
  2. Step 2: Convert to fraction form
    410,075.70/615,113.55 = 335,280.30/x
  3. Step 3: Cross multiply
    410,075.70x = 615,113.55 × 335,280.30
  4. Step 4: Simplify right side
    410,075.70x = 206,235,455,578.07
  5. Step 5: Solve for x
    x = 206,235,455,578.07/410,075.70
  6. Step 6: Final answer
    x = 502,920.45

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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.