Home / 740,120.56-1,021,384.96-453,798.48

Finding the Fourth Proportional to 740,120.56, 1,021,384.96 and 453,798.48

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Solution

The fourth proportional to 740,120.56, 1,021,384.96 and 453,798.48 is: 626,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,120.56 : 1,021,384.96 = 453,798.48 : x
  2. Step 2: Convert to fraction form
    740,120.56/1,021,384.96 = 453,798.48/x
  3. Step 3: Cross multiply
    740,120.56x = 1,021,384.96 × 453,798.48
  4. Step 4: Simplify right side
    740,120.56x = 463,502,942,342.86
  5. Step 5: Solve for x
    x = 463,502,942,342.86/740,120.56
  6. Step 6: Final answer
    x = 626,253.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.