Home / 574,038.65-861,590.02-289,928.72

Finding the Fourth Proportional to 574,038.65, 861,590.02 and 289,928.72

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Solution

The fourth proportional to 574,038.65, 861,590.02 and 289,928.72 is: 435,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,038.65 : 861,590.02 = 289,928.72 : x
  2. Step 2: Convert to fraction form
    574,038.65/861,590.02 = 289,928.72/x
  3. Step 3: Cross multiply
    574,038.65x = 861,590.02 × 289,928.72
  4. Step 4: Simplify right side
    574,038.65x = 249,799,694,179.76
  5. Step 5: Solve for x
    x = 249,799,694,179.76/574,038.65
  6. Step 6: Final answer
    x = 435,161.80

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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.