Home / 771,348.38-1,064,746.37-465,437.66

Finding the Fourth Proportional to 771,348.38, 1,064,746.37 and 465,437.66

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Solution

The fourth proportional to 771,348.38, 1,064,746.37 and 465,437.66 is: 642,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,348.38 : 1,064,746.37 = 465,437.66 : x
  2. Step 2: Convert to fraction form
    771,348.38/1,064,746.37 = 465,437.66/x
  3. Step 3: Cross multiply
    771,348.38x = 1,064,746.37 × 465,437.66
  4. Step 4: Simplify right side
    771,348.38x = 495,573,054,786.16
  5. Step 5: Solve for x
    x = 495,573,054,786.16/771,348.38
  6. Step 6: Final answer
    x = 642,476.31

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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.