Home / 948,878.32-1,309,440.44-519,152.28

Finding the Fourth Proportional to 948,878.32, 1,309,440.44 and 519,152.28

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Solution

The fourth proportional to 948,878.32, 1,309,440.44 and 519,152.28 is: 716,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,878.32 : 1,309,440.44 = 519,152.28 : x
  2. Step 2: Convert to fraction form
    948,878.32/1,309,440.44 = 519,152.28/x
  3. Step 3: Cross multiply
    948,878.32x = 1,309,440.44 × 519,152.28
  4. Step 4: Simplify right side
    948,878.32x = 679,798,989,950.20
  5. Step 5: Solve for x
    x = 679,798,989,950.20/948,878.32
  6. Step 6: Final answer
    x = 716,423.78

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Double scale
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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.