Home / 989,800.02-1,484,681.81-315,875.97

Finding the Fourth Proportional to 989,800.02, 1,484,681.81 and 315,875.97

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Solution

The fourth proportional to 989,800.02, 1,484,681.81 and 315,875.97 is: 473,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,800.02 : 1,484,681.81 = 315,875.97 : x
  2. Step 2: Convert to fraction form
    989,800.02/1,484,681.81 = 315,875.97/x
  3. Step 3: Cross multiply
    989,800.02x = 1,484,681.81 × 315,875.97
  4. Step 4: Simplify right side
    989,800.02x = 468,975,305,295.73
  5. Step 5: Solve for x
    x = 468,975,305,295.73/989,800.02
  6. Step 6: Final answer
    x = 473,808.14

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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.