Home / 869,068.10-1,303,602.15-513,899.30

Finding the Fourth Proportional to 869,068.10, 1,303,602.15 and 513,899.30

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Solution

The fourth proportional to 869,068.10, 1,303,602.15 and 513,899.30 is: 770,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,068.10 : 1,303,602.15 = 513,899.30 : x
  2. Step 2: Convert to fraction form
    869,068.10/1,303,602.15 = 513,899.30/x
  3. Step 3: Cross multiply
    869,068.10x = 1,303,602.15 × 513,899.30
  4. Step 4: Simplify right side
    869,068.10x = 669,920,232,363.50
  5. Step 5: Solve for x
    x = 669,920,232,363.50/869,068.10
  6. Step 6: Final answer
    x = 770,848.95

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Double scale
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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.