Home / 830,501.28-1,146,091.68-448,528.08

Finding the Fourth Proportional to 830,501.28, 1,146,091.68 and 448,528.08

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Solution

The fourth proportional to 830,501.28, 1,146,091.68 and 448,528.08 is: 618,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,501.28 : 1,146,091.68 = 448,528.08 : x
  2. Step 2: Convert to fraction form
    830,501.28/1,146,091.68 = 448,528.08/x
  3. Step 3: Cross multiply
    830,501.28x = 1,146,091.68 × 448,528.08
  4. Step 4: Simplify right side
    830,501.28x = 514,054,300,734.37
  5. Step 5: Solve for x
    x = 514,054,300,734.37/830,501.28
  6. Step 6: Final answer
    x = 618,968.70

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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.