Home / 770,305.63-1,063,001.95-426,154.51

Finding the Fourth Proportional to 770,305.63, 1,063,001.95 and 426,154.51

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Solution

The fourth proportional to 770,305.63, 1,063,001.95 and 426,154.51 is: 588,082.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,305.63 : 1,063,001.95 = 426,154.51 : x
  2. Step 2: Convert to fraction form
    770,305.63/1,063,001.95 = 426,154.51/x
  3. Step 3: Cross multiply
    770,305.63x = 1,063,001.95 × 426,154.51
  4. Step 4: Simplify right side
    770,305.63x = 453,003,075,131.30
  5. Step 5: Solve for x
    x = 453,003,075,131.30/770,305.63
  6. Step 6: Final answer
    x = 588,082.26

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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.