Home / 816,681.83-1,225,271.96-417,602.93

Finding the Fourth Proportional to 816,681.83, 1,225,271.96 and 417,602.93

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Solution

The fourth proportional to 816,681.83, 1,225,271.96 and 417,602.93 is: 626,531.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,681.83 : 1,225,271.96 = 417,602.93 : x
  2. Step 2: Convert to fraction form
    816,681.83/1,225,271.96 = 417,602.93/x
  3. Step 3: Cross multiply
    816,681.83x = 1,225,271.96 × 417,602.93
  4. Step 4: Simplify right side
    816,681.83x = 511,677,152,328.47
  5. Step 5: Solve for x
    x = 511,677,152,328.47/816,681.83
  6. Step 6: Final answer
    x = 626,531.82

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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.