Home / 963,397.20-1,445,095.80-646,136.40

Finding the Fourth Proportional to 963,397.20, 1,445,095.80 and 646,136.40

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Solution

The fourth proportional to 963,397.20, 1,445,095.80 and 646,136.40 is: 969,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,397.20 : 1,445,095.80 = 646,136.40 : x
  2. Step 2: Convert to fraction form
    963,397.20/1,445,095.80 = 646,136.40/x
  3. Step 3: Cross multiply
    963,397.20x = 1,445,095.80 × 646,136.40
  4. Step 4: Simplify right side
    963,397.20x = 933,728,997,867.12
  5. Step 5: Solve for x
    x = 933,728,997,867.12/963,397.20
  6. Step 6: Final answer
    x = 969,204.60

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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.