Home / 670,746.94-925,630.10-384,268.16

Finding the Fourth Proportional to 670,746.94, 925,630.10 and 384,268.16

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Solution

The fourth proportional to 670,746.94, 925,630.10 and 384,268.16 is: 530,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,746.94 : 925,630.10 = 384,268.16 : x
  2. Step 2: Convert to fraction form
    670,746.94/925,630.10 = 384,268.16/x
  3. Step 3: Cross multiply
    670,746.94x = 925,630.10 × 384,268.16
  4. Step 4: Simplify right side
    670,746.94x = 355,690,178,642.36
  5. Step 5: Solve for x
    x = 355,690,178,642.36/670,746.94
  6. Step 6: Final answer
    x = 530,289.68

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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.