Home / 740,065.05-1,110,486.63-525,309.69

Finding the Fourth Proportional to 740,065.05, 1,110,486.63 and 525,309.69

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Solution

The fourth proportional to 740,065.05, 1,110,486.63 and 525,309.69 is: 788,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,065.05 : 1,110,486.63 = 525,309.69 : x
  2. Step 2: Convert to fraction form
    740,065.05/1,110,486.63 = 525,309.69/x
  3. Step 3: Cross multiply
    740,065.05x = 1,110,486.63 × 525,309.69
  4. Step 4: Simplify right side
    740,065.05x = 583,349,387,354.45
  5. Step 5: Solve for x
    x = 583,349,387,354.45/740,065.05
  6. Step 6: Final answer
    x = 788,240.69

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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.