Home / 788,666.70-1,183,000.05-578,714.70

Finding the Fourth Proportional to 788,666.70, 1,183,000.05 and 578,714.70

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Solution

The fourth proportional to 788,666.70, 1,183,000.05 and 578,714.70 is: 868,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,666.70 : 1,183,000.05 = 578,714.70 : x
  2. Step 2: Convert to fraction form
    788,666.70/1,183,000.05 = 578,714.70/x
  3. Step 3: Cross multiply
    788,666.70x = 1,183,000.05 × 578,714.70
  4. Step 4: Simplify right side
    788,666.70x = 684,619,519,035.74
  5. Step 5: Solve for x
    x = 684,619,519,035.74/788,666.70
  6. Step 6: Final answer
    x = 868,072.05

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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.