Home / 761,888.40-1,142,842.32-525,167.52

Finding the Fourth Proportional to 761,888.40, 1,142,842.32 and 525,167.52

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Solution

The fourth proportional to 761,888.40, 1,142,842.32 and 525,167.52 is: 787,757.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,888.40 : 1,142,842.32 = 525,167.52 : x
  2. Step 2: Convert to fraction form
    761,888.40/1,142,842.32 = 525,167.52/x
  3. Step 3: Cross multiply
    761,888.40x = 1,142,842.32 × 525,167.52
  4. Step 4: Simplify right side
    761,888.40x = 600,183,666,945.45
  5. Step 5: Solve for x
    x = 600,183,666,945.45/761,888.40
  6. Step 6: Final answer
    x = 787,757.98

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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.