Home / 787,012.76-1,174,381.02-702,189.83

Finding the Fourth Proportional to 787,012.76, 1,174,381.02 and 702,189.83

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Solution

The fourth proportional to 787,012.76, 1,174,381.02 and 702,189.83 is: 1,047,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,012.76 : 1,174,381.02 = 702,189.83 : x
  2. Step 2: Convert to fraction form
    787,012.76/1,174,381.02 = 702,189.83/x
  3. Step 3: Cross multiply
    787,012.76x = 1,174,381.02 × 702,189.83
  4. Step 4: Simplify right side
    787,012.76x = 824,638,411,724.98
  5. Step 5: Solve for x
    x = 824,638,411,724.98/787,012.76
  6. Step 6: Final answer
    x = 1,047,808.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.