Home / 434,547.20-650,265.60-397,222.40

Finding the Fourth Proportional to 434,547.20, 650,265.60 and 397,222.40

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Solution

The fourth proportional to 434,547.20, 650,265.60 and 397,222.40 is: 594,411.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,547.20 : 650,265.60 = 397,222.40 : x
  2. Step 2: Convert to fraction form
    434,547.20/650,265.60 = 397,222.40/x
  3. Step 3: Cross multiply
    434,547.20x = 650,265.60 × 397,222.40
  4. Step 4: Simplify right side
    434,547.20x = 258,300,062,269.44
  5. Step 5: Solve for x
    x = 258,300,062,269.44/434,547.20
  6. Step 6: Final answer
    x = 594,411.98

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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.