Home / 878,955.04-1,212,983.56-496,973.62

Finding the Fourth Proportional to 878,955.04, 1,212,983.56 and 496,973.62

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Solution

The fourth proportional to 878,955.04, 1,212,983.56 and 496,973.62 is: 685,838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,955.04 : 1,212,983.56 = 496,973.62 : x
  2. Step 2: Convert to fraction form
    878,955.04/1,212,983.56 = 496,973.62/x
  3. Step 3: Cross multiply
    878,955.04x = 1,212,983.56 × 496,973.62
  4. Step 4: Simplify right side
    878,955.04x = 602,820,830,813.69
  5. Step 5: Solve for x
    x = 602,820,830,813.69/878,955.04
  6. Step 6: Final answer
    x = 685,838.07

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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.