Home / 740,109.52-1,021,369.80-453,787.48

Finding the Fourth Proportional to 740,109.52, 1,021,369.80 and 453,787.48

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Solution

The fourth proportional to 740,109.52, 1,021,369.80 and 453,787.48 is: 626,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,109.52 : 1,021,369.80 = 453,787.48 : x
  2. Step 2: Convert to fraction form
    740,109.52/1,021,369.80 = 453,787.48/x
  3. Step 3: Cross multiply
    740,109.52x = 1,021,369.80 × 453,787.48
  4. Step 4: Simplify right side
    740,109.52x = 463,484,827,690.10
  5. Step 5: Solve for x
    x = 463,484,827,690.10/740,109.52
  6. Step 6: Final answer
    x = 626,238.16

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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.