Home / 525,087.40-787,631.10-525,087.40

Finding the Fourth Proportional to 525,087.40, 787,631.10 and 525,087.40

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Solution

The fourth proportional to 525,087.40, 787,631.10 and 525,087.40 is: 787,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,087.40 : 787,631.10 = 525,087.40 : x
  2. Step 2: Convert to fraction form
    525,087.40/787,631.10 = 525,087.40/x
  3. Step 3: Cross multiply
    525,087.40x = 787,631.10 × 525,087.40
  4. Step 4: Simplify right side
    525,087.40x = 413,575,166,458.14
  5. Step 5: Solve for x
    x = 413,575,166,458.14/525,087.40
  6. Step 6: Final answer
    x = 787,631.10

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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.