Home / 757,457.78-1,045,670.52-471,070.13

Finding the Fourth Proportional to 757,457.78, 1,045,670.52 and 471,070.13

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Solution

The fourth proportional to 757,457.78, 1,045,670.52 and 471,070.13 is: 650,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,457.78 : 1,045,670.52 = 471,070.13 : x
  2. Step 2: Convert to fraction form
    757,457.78/1,045,670.52 = 471,070.13/x
  3. Step 3: Cross multiply
    757,457.78x = 1,045,670.52 × 471,070.13
  4. Step 4: Simplify right side
    757,457.78x = 492,584,142,565.22
  5. Step 5: Solve for x
    x = 492,584,142,565.22/757,457.78
  6. Step 6: Final answer
    x = 650,312.35

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Double scale
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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.