Home / 657,551.32-907,369.14-402,867.88

Finding the Fourth Proportional to 657,551.32, 907,369.14 and 402,867.88

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Solution

The fourth proportional to 657,551.32, 907,369.14 and 402,867.88 is: 555,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,551.32 : 907,369.14 = 402,867.88 : x
  2. Step 2: Convert to fraction form
    657,551.32/907,369.14 = 402,867.88/x
  3. Step 3: Cross multiply
    657,551.32x = 907,369.14 × 402,867.88
  4. Step 4: Simplify right side
    657,551.32x = 365,549,881,809.22
  5. Step 5: Solve for x
    x = 365,549,881,809.22/657,551.32
  6. Step 6: Final answer
    x = 555,926.01

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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.