Home / 901,289.04-1,242,453.78-686,054.22

Finding the Fourth Proportional to 901,289.04, 1,242,453.78 and 686,054.22

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Solution

The fourth proportional to 901,289.04, 1,242,453.78 and 686,054.22 is: 945,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,289.04 : 1,242,453.78 = 686,054.22 : x
  2. Step 2: Convert to fraction form
    901,289.04/1,242,453.78 = 686,054.22/x
  3. Step 3: Cross multiply
    901,289.04x = 1,242,453.78 × 686,054.22
  4. Step 4: Simplify right side
    901,289.04x = 852,390,658,923.95
  5. Step 5: Solve for x
    x = 852,390,658,923.95/901,289.04
  6. Step 6: Final answer
    x = 945,746.17

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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.