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Finding the Fourth Proportional to 583,397.40, 875,031.30 and 478,032.60

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Solution

The fourth proportional to 583,397.40, 875,031.30 and 478,032.60 is: 716,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,397.40 : 875,031.30 = 478,032.60 : x
  2. Step 2: Convert to fraction form
    583,397.40/875,031.30 = 478,032.60/x
  3. Step 3: Cross multiply
    583,397.40x = 875,031.30 × 478,032.60
  4. Step 4: Simplify right side
    583,397.40x = 418,293,487,420.38
  5. Step 5: Solve for x
    x = 418,293,487,420.38/583,397.40
  6. Step 6: Final answer
    x = 716,995.80

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