Home / 757,357.74-1,045,124.91-470,812.14

Finding the Fourth Proportional to 757,357.74, 1,045,124.91 and 470,812.14

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Solution

The fourth proportional to 757,357.74, 1,045,124.91 and 470,812.14 is: 649,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,357.74 : 1,045,124.91 = 470,812.14 : x
  2. Step 2: Convert to fraction form
    757,357.74/1,045,124.91 = 470,812.14/x
  3. Step 3: Cross multiply
    757,357.74x = 1,045,124.91 × 470,812.14
  4. Step 4: Simplify right side
    757,357.74x = 492,057,495,444.41
  5. Step 5: Solve for x
    x = 492,057,495,444.41/757,357.74
  6. Step 6: Final answer
    x = 649,702.87

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.