Home / 760,947.72-1,050,118.74-438,651.96

Finding the Fourth Proportional to 760,947.72, 1,050,118.74 and 438,651.96

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Solution

The fourth proportional to 760,947.72, 1,050,118.74 and 438,651.96 is: 605,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,947.72 : 1,050,118.74 = 438,651.96 : x
  2. Step 2: Convert to fraction form
    760,947.72/1,050,118.74 = 438,651.96/x
  3. Step 3: Cross multiply
    760,947.72x = 1,050,118.74 × 438,651.96
  4. Step 4: Simplify right side
    760,947.72x = 460,636,643,533.73
  5. Step 5: Solve for x
    x = 460,636,643,533.73/760,947.72
  6. Step 6: Final answer
    x = 605,345.98

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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.