Home / 993,018.95-1,488,362.02-459,412.82

Finding the Fourth Proportional to 993,018.95, 1,488,362.02 and 459,412.82

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Solution

The fourth proportional to 993,018.95, 1,488,362.02 and 459,412.82 is: 688,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,018.95 : 1,488,362.02 = 459,412.82 : x
  2. Step 2: Convert to fraction form
    993,018.95/1,488,362.02 = 459,412.82/x
  3. Step 3: Cross multiply
    993,018.95x = 1,488,362.02 × 459,412.82
  4. Step 4: Simplify right side
    993,018.95x = 683,772,592,789.10
  5. Step 5: Solve for x
    x = 683,772,592,789.10/993,018.95
  6. Step 6: Final answer
    x = 688,579.60

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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.