Home / 740,248.08-1,021,545.45-400,716.33

Finding the Fourth Proportional to 740,248.08, 1,021,545.45 and 400,716.33

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Solution

The fourth proportional to 740,248.08, 1,021,545.45 and 400,716.33 is: 552,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,248.08 : 1,021,545.45 = 400,716.33 : x
  2. Step 2: Convert to fraction form
    740,248.08/1,021,545.45 = 400,716.33/x
  3. Step 3: Cross multiply
    740,248.08x = 1,021,545.45 × 400,716.33
  4. Step 4: Simplify right side
    740,248.08x = 409,349,943,652.20
  5. Step 5: Solve for x
    x = 409,349,943,652.20/740,248.08
  6. Step 6: Final answer
    x = 552,990.21

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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.