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Finding the Fourth Proportional to 573,038.95, 790,798.47 and 358,303.51

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Solution

The fourth proportional to 573,038.95, 790,798.47 and 358,303.51 is: 494,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,038.95 : 790,798.47 = 358,303.51 : x
  2. Step 2: Convert to fraction form
    573,038.95/790,798.47 = 358,303.51/x
  3. Step 3: Cross multiply
    573,038.95x = 790,798.47 × 358,303.51
  4. Step 4: Simplify right side
    573,038.95x = 283,345,867,503.63
  5. Step 5: Solve for x
    x = 283,345,867,503.63/573,038.95
  6. Step 6: Final answer
    x = 494,461.79

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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.