Home / 679,962.40-1,019,943.60-306,714.40

Finding the Fourth Proportional to 679,962.40, 1,019,943.60 and 306,714.40

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Solution

The fourth proportional to 679,962.40, 1,019,943.60 and 306,714.40 is: 460,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,962.40 : 1,019,943.60 = 306,714.40 : x
  2. Step 2: Convert to fraction form
    679,962.40/1,019,943.60 = 306,714.40/x
  3. Step 3: Cross multiply
    679,962.40x = 1,019,943.60 × 306,714.40
  4. Step 4: Simplify right side
    679,962.40x = 312,831,389,307.84
  5. Step 5: Solve for x
    x = 312,831,389,307.84/679,962.40
  6. Step 6: Final answer
    x = 460,071.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.