Home / 740,031.08-1,021,242.48-417,743.96

Finding the Fourth Proportional to 740,031.08, 1,021,242.48 and 417,743.96

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Solution

The fourth proportional to 740,031.08, 1,021,242.48 and 417,743.96 is: 576,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,031.08 : 1,021,242.48 = 417,743.96 : x
  2. Step 2: Convert to fraction form
    740,031.08/1,021,242.48 = 417,743.96/x
  3. Step 3: Cross multiply
    740,031.08x = 1,021,242.48 × 417,743.96
  4. Step 4: Simplify right side
    740,031.08x = 426,617,877,715.42
  5. Step 5: Solve for x
    x = 426,617,877,715.42/740,031.08
  6. Step 6: Final answer
    x = 576,486.43

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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.