Home / 1,077,520-1,616,288.10-478,320.07

Finding the Fourth Proportional to 1,077,520, 1,616,288.10 and 478,320.07

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Solution

The fourth proportional to 1,077,520, 1,616,288.10 and 478,320.07 is: 717,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,520 : 1,616,288.10 = 478,320.07 : x
  2. Step 2: Convert to fraction form
    1,077,520/1,616,288.10 = 478,320.07/x
  3. Step 3: Cross multiply
    1,077,520x = 1,616,288.10 × 478,320.07
  4. Step 4: Simplify right side
    1,077,520x = 773,103,037,132.17
  5. Step 5: Solve for x
    x = 773,103,037,132.17/1,077,520
  6. Step 6: Final answer
    x = 717,483.70

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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.