Home / 434,943.60-652,415.40-317,439.60

Finding the Fourth Proportional to 434,943.60, 652,415.40 and 317,439.60

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Solution

The fourth proportional to 434,943.60, 652,415.40 and 317,439.60 is: 476,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,943.60 : 652,415.40 = 317,439.60 : x
  2. Step 2: Convert to fraction form
    434,943.60/652,415.40 = 317,439.60/x
  3. Step 3: Cross multiply
    434,943.60x = 652,415.40 × 317,439.60
  4. Step 4: Simplify right side
    434,943.60x = 207,102,483,609.84
  5. Step 5: Solve for x
    x = 207,102,483,609.84/434,943.60
  6. Step 6: Final answer
    x = 476,159.40

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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.