Home / 959,590.20-1,439,903.70-398,681.40

Finding the Fourth Proportional to 959,590.20, 1,439,903.70 and 398,681.40

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Solution

The fourth proportional to 959,590.20, 1,439,903.70 and 398,681.40 is: 598,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,590.20 : 1,439,903.70 = 398,681.40 : x
  2. Step 2: Convert to fraction form
    959,590.20/1,439,903.70 = 398,681.40/x
  3. Step 3: Cross multiply
    959,590.20x = 1,439,903.70 × 398,681.40
  4. Step 4: Simplify right side
    959,590.20x = 574,062,822,981.18
  5. Step 5: Solve for x
    x = 574,062,822,981.18/959,590.20
  6. Step 6: Final answer
    x = 598,237.48

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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.