Home / 758,674.14-1,047,116.89-487,085.19

Finding the Fourth Proportional to 758,674.14, 1,047,116.89 and 487,085.19

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Solution

The fourth proportional to 758,674.14, 1,047,116.89 and 487,085.19 is: 672,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,674.14 : 1,047,116.89 = 487,085.19 : x
  2. Step 2: Convert to fraction form
    758,674.14/1,047,116.89 = 487,085.19/x
  3. Step 3: Cross multiply
    758,674.14x = 1,047,116.89 × 487,085.19
  4. Step 4: Simplify right side
    758,674.14x = 510,035,123,260.17
  5. Step 5: Solve for x
    x = 510,035,123,260.17/758,674.14
  6. Step 6: Final answer
    x = 672,271.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.