Home / 956,858.70-1,435,288.05-425,417.70

Finding the Fourth Proportional to 956,858.70, 1,435,288.05 and 425,417.70

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Solution

The fourth proportional to 956,858.70, 1,435,288.05 and 425,417.70 is: 638,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,858.70 : 1,435,288.05 = 425,417.70 : x
  2. Step 2: Convert to fraction form
    956,858.70/1,435,288.05 = 425,417.70/x
  3. Step 3: Cross multiply
    956,858.70x = 1,435,288.05 × 425,417.70
  4. Step 4: Simplify right side
    956,858.70x = 610,596,941,068.49
  5. Step 5: Solve for x
    x = 610,596,941,068.49/956,858.70
  6. Step 6: Final answer
    x = 638,126.55

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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.