Home / 426,570.10-588,701.55-245,340.70

Finding the Fourth Proportional to 426,570.10, 588,701.55 and 245,340.70

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Solution

The fourth proportional to 426,570.10, 588,701.55 and 245,340.70 is: 338,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,570.10 : 588,701.55 = 245,340.70 : x
  2. Step 2: Convert to fraction form
    426,570.10/588,701.55 = 245,340.70/x
  3. Step 3: Cross multiply
    426,570.10x = 588,701.55 × 245,340.70
  4. Step 4: Simplify right side
    426,570.10x = 144,432,450,368.09
  5. Step 5: Solve for x
    x = 144,432,450,368.09/426,570.10
  6. Step 6: Final answer
    x = 338,590.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.