Home / 740,074.16-1,021,302.32-400,542.41

Finding the Fourth Proportional to 740,074.16, 1,021,302.32 and 400,542.41

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Solution

The fourth proportional to 740,074.16, 1,021,302.32 and 400,542.41 is: 552,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,074.16 : 1,021,302.32 = 400,542.41 : x
  2. Step 2: Convert to fraction form
    740,074.16/1,021,302.32 = 400,542.41/x
  3. Step 3: Cross multiply
    740,074.16x = 1,021,302.32 × 400,542.41
  4. Step 4: Simplify right side
    740,074.16x = 409,074,885,482.17
  5. Step 5: Solve for x
    x = 409,074,885,482.17/740,074.16
  6. Step 6: Final answer
    x = 552,748.51

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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.