Home / 761,807.57-1,051,271.66-417,631.71

Finding the Fourth Proportional to 761,807.57, 1,051,271.66 and 417,631.71

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Solution

The fourth proportional to 761,807.57, 1,051,271.66 and 417,631.71 is: 576,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,807.57 : 1,051,271.66 = 417,631.71 : x
  2. Step 2: Convert to fraction form
    761,807.57/1,051,271.66 = 417,631.71/x
  3. Step 3: Cross multiply
    761,807.57x = 1,051,271.66 × 417,631.71
  4. Step 4: Simplify right side
    761,807.57x = 439,044,386,026.69
  5. Step 5: Solve for x
    x = 439,044,386,026.69/761,807.57
  6. Step 6: Final answer
    x = 576,319.28

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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.