Home / 724,868.40-1,000,346.54-402,603

Finding the Fourth Proportional to 724,868.40, 1,000,346.54 and 402,603

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Solution

The fourth proportional to 724,868.40, 1,000,346.54 and 402,603 is: 555,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,868.40 : 1,000,346.54 = 402,603 : x
  2. Step 2: Convert to fraction form
    724,868.40/1,000,346.54 = 402,603/x
  3. Step 3: Cross multiply
    724,868.40x = 1,000,346.54 × 402,603
  4. Step 4: Simplify right side
    724,868.40x = 402,742,516,030.61
  5. Step 5: Solve for x
    x = 402,742,516,030.61/724,868.40
  6. Step 6: Final answer
    x = 555,607.77

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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.