Home / 830,482.38-1,146,065.40-448,509.24

Finding the Fourth Proportional to 830,482.38, 1,146,065.40 and 448,509.24

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Solution

The fourth proportional to 830,482.38, 1,146,065.40 and 448,509.24 is: 618,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,482.38 : 1,146,065.40 = 448,509.24 : x
  2. Step 2: Convert to fraction form
    830,482.38/1,146,065.40 = 448,509.24/x
  3. Step 3: Cross multiply
    830,482.38x = 1,146,065.40 × 448,509.24
  4. Step 4: Simplify right side
    830,482.38x = 514,020,921,544.30
  5. Step 5: Solve for x
    x = 514,020,921,544.30/830,482.38
  6. Step 6: Final answer
    x = 618,942.60

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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.