Home / 970,853.40-1,456,020.90-339,701.40

Finding the Fourth Proportional to 970,853.40, 1,456,020.90 and 339,701.40

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Solution

The fourth proportional to 970,853.40, 1,456,020.90 and 339,701.40 is: 509,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,853.40 : 1,456,020.90 = 339,701.40 : x
  2. Step 2: Convert to fraction form
    970,853.40/1,456,020.90 = 339,701.40/x
  3. Step 3: Cross multiply
    970,853.40x = 1,456,020.90 × 339,701.40
  4. Step 4: Simplify right side
    970,853.40x = 494,612,338,159.26
  5. Step 5: Solve for x
    x = 494,612,338,159.26/970,853.40
  6. Step 6: Final answer
    x = 509,461.41

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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.