Home / 525,132.40-788,281.80-288,936.40

Finding the Fourth Proportional to 525,132.40, 788,281.80 and 288,936.40

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Solution

The fourth proportional to 525,132.40, 788,281.80 and 288,936.40 is: 433,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,132.40 : 788,281.80 = 288,936.40 : x
  2. Step 2: Convert to fraction form
    525,132.40/788,281.80 = 288,936.40/x
  3. Step 3: Cross multiply
    525,132.40x = 788,281.80 × 288,936.40
  4. Step 4: Simplify right side
    525,132.40x = 227,763,305,477.52
  5. Step 5: Solve for x
    x = 227,763,305,477.52/525,132.40
  6. Step 6: Final answer
    x = 433,725.49

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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.