Home / 760,815.20-1,051,018.62-607,652.30

Finding the Fourth Proportional to 760,815.20, 1,051,018.62 and 607,652.30

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Solution

The fourth proportional to 760,815.20, 1,051,018.62 and 607,652.30 is: 839,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,815.20 : 1,051,018.62 = 607,652.30 : x
  2. Step 2: Convert to fraction form
    760,815.20/1,051,018.62 = 607,652.30/x
  3. Step 3: Cross multiply
    760,815.20x = 1,051,018.62 × 607,652.30
  4. Step 4: Simplify right side
    760,815.20x = 638,653,881,785.83
  5. Step 5: Solve for x
    x = 638,653,881,785.83/760,815.20
  6. Step 6: Final answer
    x = 839,433.65

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1.5x scale

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.