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Finding the Fourth Proportional to 518,557.95, 776,628.41 and 500,598.63

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Solution

The fourth proportional to 518,557.95, 776,628.41 and 500,598.63 is: 749,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,557.95 : 776,628.41 = 500,598.63 : x
  2. Step 2: Convert to fraction form
    518,557.95/776,628.41 = 500,598.63/x
  3. Step 3: Cross multiply
    518,557.95x = 776,628.41 × 500,598.63
  4. Step 4: Simplify right side
    518,557.95x = 388,779,115,562.09
  5. Step 5: Solve for x
    x = 388,779,115,562.09/518,557.95
  6. Step 6: Final answer
    x = 749,731.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.