Home / 759,869.83-1,139,804.51-286,444.47

Finding the Fourth Proportional to 759,869.83, 1,139,804.51 and 286,444.47

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Solution

The fourth proportional to 759,869.83, 1,139,804.51 and 286,444.47 is: 429,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,869.83 : 1,139,804.51 = 286,444.47 : x
  2. Step 2: Convert to fraction form
    759,869.83/1,139,804.51 = 286,444.47/x
  3. Step 3: Cross multiply
    759,869.83x = 1,139,804.51 × 286,444.47
  4. Step 4: Simplify right side
    759,869.83x = 326,490,696,812.45
  5. Step 5: Solve for x
    x = 326,490,696,812.45/759,869.83
  6. Step 6: Final answer
    x = 429,666.62

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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.