Home / 975,656.67-1,463,484.98-643,154.91

Finding the Fourth Proportional to 975,656.67, 1,463,484.98 and 643,154.91

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Solution

The fourth proportional to 975,656.67, 1,463,484.98 and 643,154.91 is: 964,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,656.67 : 1,463,484.98 = 643,154.91 : x
  2. Step 2: Convert to fraction form
    975,656.67/1,463,484.98 = 643,154.91/x
  3. Step 3: Cross multiply
    975,656.67x = 1,463,484.98 × 643,154.91
  4. Step 4: Simplify right side
    975,656.67x = 941,247,547,382.48
  5. Step 5: Solve for x
    x = 941,247,547,382.48/975,656.67
  6. Step 6: Final answer
    x = 964,732.35

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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.