Home / 757,385.76-1,045,284.84-435,095.16

Finding the Fourth Proportional to 757,385.76, 1,045,284.84 and 435,095.16

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Solution

The fourth proportional to 757,385.76, 1,045,284.84 and 435,095.16 is: 600,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,385.76 : 1,045,284.84 = 435,095.16 : x
  2. Step 2: Convert to fraction form
    757,385.76/1,045,284.84 = 435,095.16/x
  3. Step 3: Cross multiply
    757,385.76x = 1,045,284.84 × 435,095.16
  4. Step 4: Simplify right side
    757,385.76x = 454,798,374,705.37
  5. Step 5: Solve for x
    x = 454,798,374,705.37/757,385.76
  6. Step 6: Final answer
    x = 600,484.45

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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.