Home / 830,647.40-1,146,293.46-448,674.19

Finding the Fourth Proportional to 830,647.40, 1,146,293.46 and 448,674.19

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Solution

The fourth proportional to 830,647.40, 1,146,293.46 and 448,674.19 is: 619,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,647.40 : 1,146,293.46 = 448,674.19 : x
  2. Step 2: Convert to fraction form
    830,647.40/1,146,293.46 = 448,674.19/x
  3. Step 3: Cross multiply
    830,647.40x = 1,146,293.46 × 448,674.19
  4. Step 4: Simplify right side
    830,647.40x = 514,312,281,692.96
  5. Step 5: Solve for x
    x = 514,312,281,692.96/830,647.40
  6. Step 6: Final answer
    x = 619,170.40

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Double scale
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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.