Home / 553,829.04-830,987.78-529,913.79

Finding the Fourth Proportional to 553,829.04, 830,987.78 and 529,913.79

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Solution

The fourth proportional to 553,829.04, 830,987.78 and 529,913.79 is: 795,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,829.04 : 830,987.78 = 529,913.79 : x
  2. Step 2: Convert to fraction form
    553,829.04/830,987.78 = 529,913.79/x
  3. Step 3: Cross multiply
    553,829.04x = 830,987.78 × 529,913.79
  4. Step 4: Simplify right side
    553,829.04x = 440,351,881,293.92
  5. Step 5: Solve for x
    x = 440,351,881,293.92/553,829.04
  6. Step 6: Final answer
    x = 795,104.35

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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.