Home / 998,547.40-1,497,821.10-288,598.60

Finding the Fourth Proportional to 998,547.40, 1,497,821.10 and 288,598.60

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Solution

The fourth proportional to 998,547.40, 1,497,821.10 and 288,598.60 is: 432,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,547.40 : 1,497,821.10 = 288,598.60 : x
  2. Step 2: Convert to fraction form
    998,547.40/1,497,821.10 = 288,598.60/x
  3. Step 3: Cross multiply
    998,547.40x = 1,497,821.10 × 288,598.60
  4. Step 4: Simplify right side
    998,547.40x = 432,269,072,510.46
  5. Step 5: Solve for x
    x = 432,269,072,510.46/998,547.40
  6. Step 6: Final answer
    x = 432,897.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.