Home / 732,030.95-1,098,235.74-428,681.27

Finding the Fourth Proportional to 732,030.95, 1,098,235.74 and 428,681.27

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Solution

The fourth proportional to 732,030.95, 1,098,235.74 and 428,681.27 is: 643,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,030.95 : 1,098,235.74 = 428,681.27 : x
  2. Step 2: Convert to fraction form
    732,030.95/1,098,235.74 = 428,681.27/x
  3. Step 3: Cross multiply
    732,030.95x = 1,098,235.74 × 428,681.27
  4. Step 4: Simplify right side
    732,030.95x = 470,793,091,782.59
  5. Step 5: Solve for x
    x = 470,793,091,782.59/732,030.95
  6. Step 6: Final answer
    x = 643,132.77

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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.