Home / 780,012.04-1,076,416.68-440,502.16

Finding the Fourth Proportional to 780,012.04, 1,076,416.68 and 440,502.16

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Solution

The fourth proportional to 780,012.04, 1,076,416.68 and 440,502.16 is: 607,893.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,012.04 : 1,076,416.68 = 440,502.16 : x
  2. Step 2: Convert to fraction form
    780,012.04/1,076,416.68 = 440,502.16/x
  3. Step 3: Cross multiply
    780,012.04x = 1,076,416.68 × 440,502.16
  4. Step 4: Simplify right side
    780,012.04x = 474,163,872,600.03
  5. Step 5: Solve for x
    x = 474,163,872,600.03/780,012.04
  6. Step 6: Final answer
    x = 607,893.02

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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.