Home / 907,901.46-1,361,343.71-421,061.59

Finding the Fourth Proportional to 907,901.46, 1,361,343.71 and 421,061.59

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Solution

The fourth proportional to 907,901.46, 1,361,343.71 and 421,061.59 is: 631,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,901.46 : 1,361,343.71 = 421,061.59 : x
  2. Step 2: Convert to fraction form
    907,901.46/1,361,343.71 = 421,061.59/x
  3. Step 3: Cross multiply
    907,901.46x = 1,361,343.71 × 421,061.59
  4. Step 4: Simplify right side
    907,901.46x = 573,209,549,823.43
  5. Step 5: Solve for x
    x = 573,209,549,823.43/907,901.46
  6. Step 6: Final answer
    x = 631,356.57

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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.